818705888

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:521

約数の個数: 192

約数和(自身を含む): 2204858880

約数和(自身を除く): 1386152992

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 61, 77, 88, 91, 104, 112, 122, 143, 154, 176, 182, 208, 224, 244, 286, 308, 352, 364, 416, 419, 427, 488, 572, 616, 671, 728, 793, 838, 854, 976, 1001, 1144, 1232, 1342, 1456, 1586, 1676, 1708, 1952, 2002, 2288, 2464, 2684, 2912, 2933, 3172, 3352, 3416, 4004, 4576, 4609, 4697, 5368, 5447, 5551, 5866, 6344, 6704, 6832, 8008, 8723, 9218, 9394, 10736, 10894, 11102, 11732, 12688, 13408, 13664, 16016, 17446, 18436, 18788, 21472, 21788, 22204, 23464, 25376, 25559, 32032, 32263, 34892, 36872, 37576, 38129, 43576, 44408, 46928, 51118, 59917, 61061, 64526, 69784, 73744, 75152, 76258, 87152, 88816, 93856, 102236, 119834, 122122, 129052, 139568, 147488, 150304, 152516, 174304, 177632, 178913, 204472, 239668, 244244, 258104, 279136, 281149, 305032, 332267, 357826, 408944, 419419, 479336, 488488, 516208, 562298, 610064, 664534, 715652, 817888, 838838, 958672, 976976, 1032416, 1124596, 1220128, 1329068, 1431304, 1677676, 1917344, 1953952, 1968043, 2249192, 2325869, 2658136, 2862608, 3355352, 3654937, 3936086, 4498384, 4651738, 5316272, 5725216, 6710704, 7309874, 7872172, 8996768, 9303476, 10632544, 13421408, 14619748, 15744344, 18606952, 25584559, 29239496, 31488688, 37213904, 51169118, 58478992, 62977376, 74427808, 102338236, 116957984, 204676472, 409352944, 818705888]

約数ペア:

[(1, 818705888), (2, 409352944), (4, 204676472), (7, 116957984), (8, 102338236), (11, 74427808), (13, 62977376), (14, 58478992), (16, 51169118), (22, 37213904), (26, 31488688), (28, 29239496), (32, 25584559), (44, 18606952), (52, 15744344), (56, 14619748), (61, 13421408), (77, 10632544), (88, 9303476), (91, 8996768), (104, 7872172), (112, 7309874), (122, 6710704), (143, 5725216), (154, 5316272), (176, 4651738), (182, 4498384), (208, 3936086), (224, 3654937), (244, 3355352), (286, 2862608), (308, 2658136), (352, 2325869), (364, 2249192), (416, 1968043), (419, 1953952), (427, 1917344), (488, 1677676), (572, 1431304), (616, 1329068), (671, 1220128), (728, 1124596), (793, 1032416), (838, 976976), (854, 958672), (976, 838838), (1001, 817888), (1144, 715652), (1232, 664534), (1342, 610064), (1456, 562298), (1586, 516208), (1676, 488488), (1708, 479336), (1952, 419419), (2002, 408944), (2288, 357826), (2464, 332267), (2684, 305032), (2912, 281149), (2933, 279136), (3172, 258104), (3352, 244244), (3416, 239668), (4004, 204472), (4576, 178913), (4609, 177632), (4697, 174304), (5368, 152516), (5447, 150304), (5551, 147488), (5866, 139568), (6344, 129052), (6704, 122122), (6832, 119834), (8008, 102236), (8723, 93856), (9218, 88816), (9394, 87152), (10736, 76258), (10894, 75152), (11102, 73744), (11732, 69784), (12688, 64526), (13408, 61061), (13664, 59917), (16016, 51118), (17446, 46928), (18436, 44408), (18788, 43576), (21472, 38129), (21788, 37576), (22204, 36872), (23464, 34892), (25376, 32263), (25559, 32032)]