639871232

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:285

約数の個数: 216

約数和(自身を含む): 1735503168

約数和(自身を除く): 1095631936

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 64, 77, 88, 91, 104, 112, 121, 128, 143, 154, 176, 182, 208, 224, 227, 242, 256, 286, 308, 352, 364, 416, 448, 454, 484, 572, 616, 704, 728, 832, 847, 896, 908, 968, 1001, 1144, 1232, 1408, 1456, 1573, 1589, 1664, 1694, 1792, 1816, 1936, 2002, 2288, 2464, 2497, 2816, 2912, 2951, 3146, 3178, 3328, 3388, 3632, 3872, 4004, 4576, 4928, 4994, 5824, 5902, 6292, 6356, 6776, 7264, 7744, 8008, 9152, 9856, 9988, 11011, 11648, 11804, 12584, 12712, 13552, 14528, 15488, 16016, 17479, 18304, 19712, 19976, 20657, 22022, 23296, 23608, 25168, 25424, 27104, 27467, 29056, 30976, 32032, 32461, 34958, 36608, 39952, 41314, 44044, 47216, 50336, 50848, 54208, 54934, 58112, 64064, 64922, 69916, 79904, 82628, 88088, 94432, 100672, 101696, 108416, 109868, 128128, 129844, 139832, 159808, 165256, 176176, 188864, 192269, 201344, 203392, 216832, 219736, 227227, 256256, 259688, 279664, 319616, 330512, 352352, 357071, 377728, 384538, 402688, 406784, 439472, 454454, 519376, 559328, 639232, 661024, 704704, 714142, 755456, 769076, 878944, 908908, 1038752, 1118656, 1322048, 1409408, 1428284, 1538152, 1757888, 1817816, 2077504, 2237312, 2499497, 2644096, 2818816, 2856568, 3076304, 3515776, 3635632, 4155008, 4474624, 4998994, 5288192, 5713136, 6152608, 7031552, 7271264, 8310016, 9997988, 11426272, 12305216, 14542528, 19995976, 22852544, 24610432, 29085056, 39991952, 45705088, 49220864, 58170112, 79983904, 91410176, 159967808, 319935616, 639871232]

約数ペア:

[(1, 639871232), (2, 319935616), (4, 159967808), (7, 91410176), (8, 79983904), (11, 58170112), (13, 49220864), (14, 45705088), (16, 39991952), (22, 29085056), (26, 24610432), (28, 22852544), (32, 19995976), (44, 14542528), (52, 12305216), (56, 11426272), (64, 9997988), (77, 8310016), (88, 7271264), (91, 7031552), (104, 6152608), (112, 5713136), (121, 5288192), (128, 4998994), (143, 4474624), (154, 4155008), (176, 3635632), (182, 3515776), (208, 3076304), (224, 2856568), (227, 2818816), (242, 2644096), (256, 2499497), (286, 2237312), (308, 2077504), (352, 1817816), (364, 1757888), (416, 1538152), (448, 1428284), (454, 1409408), (484, 1322048), (572, 1118656), (616, 1038752), (704, 908908), (728, 878944), (832, 769076), (847, 755456), (896, 714142), (908, 704704), (968, 661024), (1001, 639232), (1144, 559328), (1232, 519376), (1408, 454454), (1456, 439472), (1573, 406784), (1589, 402688), (1664, 384538), (1694, 377728), (1792, 357071), (1816, 352352), (1936, 330512), (2002, 319616), (2288, 279664), (2464, 259688), (2497, 256256), (2816, 227227), (2912, 219736), (2951, 216832), (3146, 203392), (3178, 201344), (3328, 192269), (3388, 188864), (3632, 176176), (3872, 165256), (4004, 159808), (4576, 139832), (4928, 129844), (4994, 128128), (5824, 109868), (5902, 108416), (6292, 101696), (6356, 100672), (6776, 94432), (7264, 88088), (7744, 82628), (8008, 79904), (9152, 69916), (9856, 64922), (9988, 64064), (11011, 58112), (11648, 54934), (11804, 54208), (12584, 50848), (12712, 50336), (13552, 47216), (14528, 44044), (15488, 41314), (16016, 39952), (17479, 36608), (18304, 34958), (19712, 32461), (19976, 32032), (20657, 30976), (22022, 29056), (23296, 27467), (23608, 27104), (25168, 25424)]