64278872

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 144752640

約数和(自身を除く): 80473768

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 61, 62, 122, 124, 217, 244, 248, 427, 434, 488, 607, 854, 868, 1214, 1708, 1736, 1891, 2428, 3416, 3782, 4249, 4856, 7564, 8498, 13237, 15128, 16996, 18817, 26474, 33992, 37027, 37634, 52948, 74054, 75268, 105896, 131719, 148108, 150536, 259189, 263438, 296216, 518378, 526876, 1036756, 1053752, 1147837, 2073512, 2295674, 4591348, 8034859, 9182696, 16069718, 32139436, 64278872]

約数ペア:

[(1, 64278872), (2, 32139436), (4, 16069718), (7, 9182696), (8, 8034859), (14, 4591348), (28, 2295674), (31, 2073512), (56, 1147837), (61, 1053752), (62, 1036756), (122, 526876), (124, 518378), (217, 296216), (244, 263438), (248, 259189), (427, 150536), (434, 148108), (488, 131719), (607, 105896), (854, 75268), (868, 74054), (1214, 52948), (1708, 37634), (1736, 37027), (1891, 33992), (2428, 26474), (3416, 18817), (3782, 16996), (4249, 15128), (4856, 13237), (7564, 8498)]