1991901447648

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4553209}}^1$

素因数の和:4553270

約数の個数: 216

約数和(自身を含む): 6801840077760

約数和(自身を除く): 4809938630112

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 49, 56, 62, 63, 72, 84, 93, 96, 98, 112, 124, 126, 144, 147, 168, 186, 196, 217, 224, 248, 252, 279, 288, 294, 336, 372, 392, 434, 441, 496, 504, 558, 588, 651, 672, 744, 784, 868, 882, 992, 1008, 1116, 1176, 1302, 1488, 1519, 1568, 1736, 1764, 1953, 2016, 2232, 2352, 2604, 2976, 3038, 3472, 3528, 3906, 4464, 4557, 4704, 5208, 6076, 6944, 7056, 7812, 8928, 9114, 10416, 12152, 13671, 14112, 15624, 18228, 20832, 24304, 27342, 31248, 36456, 48608, 54684, 62496, 72912, 109368, 145824, 218736, 437472, 4553209, 9106418, 13659627, 18212836, 27319254, 31872463, 36425672, 40978881, 54638508, 63744926, 72851344, 81957762, 95617389, 109277016, 127489852, 141149479, 145702688, 163915524, 191234778, 218554032, 223107241, 254979704, 282298958, 286852167, 327831048, 382469556, 423448437, 437108064, 446214482, 509959408, 564597916, 573704334, 655662096, 669321723, 764939112, 846896874, 892428964, 988046353, 1019918816, 1129195832, 1147408668, 1270345311, 1311324192, 1338643446, 1529878224, 1693793748, 1784857928, 1976092706, 2007965169, 2258391664, 2294817336, 2540690622, 2677286892, 2964139059, 3059756448, 3387587496, 3569715856, 3952185412, 4015930338, 4516783328, 4589634672, 5081381244, 5354573784, 5928278118, 6775174992, 6916324471, 7139431712, 7904370824, 8031860676, 8892417177, 9179269344, 10162762488, 10709147568, 11856556236, 13550349984, 13832648942, 15808741648, 16063721352, 17784834354, 20325524976, 20748973413, 21418295136, 23713112472, 27665297884, 31617483296, 32127442704, 35569668708, 40651049952, 41497946826, 47426224944, 55330595768, 62246920239, 64254885408, 71139337416, 82995893652, 94852449888, 110661191536, 124493840478, 142278674832, 165991787304, 221322383072, 248987680956, 284557349664, 331983574608, 497975361912, 663967149216, 995950723824, 1991901447648]

約数ペア:

[(1, 1991901447648), (2, 995950723824), (3, 663967149216), (4, 497975361912), (6, 331983574608), (7, 284557349664), (8, 248987680956), (9, 221322383072), (12, 165991787304), (14, 142278674832), (16, 124493840478), (18, 110661191536), (21, 94852449888), (24, 82995893652), (28, 71139337416), (31, 64254885408), (32, 62246920239), (36, 55330595768), (42, 47426224944), (48, 41497946826), (49, 40651049952), (56, 35569668708), (62, 32127442704), (63, 31617483296), (72, 27665297884), (84, 23713112472), (93, 21418295136), (96, 20748973413), (98, 20325524976), (112, 17784834354), (124, 16063721352), (126, 15808741648), (144, 13832648942), (147, 13550349984), (168, 11856556236), (186, 10709147568), (196, 10162762488), (217, 9179269344), (224, 8892417177), (248, 8031860676), (252, 7904370824), (279, 7139431712), (288, 6916324471), (294, 6775174992), (336, 5928278118), (372, 5354573784), (392, 5081381244), (434, 4589634672), (441, 4516783328), (496, 4015930338), (504, 3952185412), (558, 3569715856), (588, 3387587496), (651, 3059756448), (672, 2964139059), (744, 2677286892), (784, 2540690622), (868, 2294817336), (882, 2258391664), (992, 2007965169), (1008, 1976092706), (1116, 1784857928), (1176, 1693793748), (1302, 1529878224), (1488, 1338643446), (1519, 1311324192), (1568, 1270345311), (1736, 1147408668), (1764, 1129195832), (1953, 1019918816), (2016, 988046353), (2232, 892428964), (2352, 846896874), (2604, 764939112), (2976, 669321723), (3038, 655662096), (3472, 573704334), (3528, 564597916), (3906, 509959408), (4464, 446214482), (4557, 437108064), (4704, 423448437), (5208, 382469556), (6076, 327831048), (6944, 286852167), (7056, 282298958), (7812, 254979704), (8928, 223107241), (9114, 218554032), (10416, 191234778), (12152, 163915524), (13671, 145702688), (14112, 141149479), (15624, 127489852), (18228, 109277016), (20832, 95617389), (24304, 81957762), (27342, 72851344), (31248, 63744926), (36456, 54638508), (48608, 40978881), (54684, 36425672), (62496, 31872463), (72912, 27319254), (109368, 18212836), (145824, 13659627), (218736, 9106418), (437472, 4553209)]