686666368

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1321}}^1$

素因数の和:1497

約数の個数: 64

約数和(自身を含む): 1423952640

約数和(自身を除く): 737286272

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 131, 248, 262, 496, 524, 992, 1048, 1321, 1984, 2096, 2642, 3968, 4061, 4192, 5284, 8122, 8384, 10568, 16244, 16768, 21136, 32488, 40951, 42272, 64976, 81902, 84544, 129952, 163804, 169088, 173051, 259904, 327608, 346102, 519808, 655216, 692204, 1310432, 1384408, 2620864, 2768816, 5241728, 5364581, 5537632, 10729162, 11075264, 21458324, 22150528, 42916648, 85833296, 171666592, 343333184, 686666368]

約数ペア:

[(1, 686666368), (2, 343333184), (4, 171666592), (8, 85833296), (16, 42916648), (31, 22150528), (32, 21458324), (62, 11075264), (64, 10729162), (124, 5537632), (128, 5364581), (131, 5241728), (248, 2768816), (262, 2620864), (496, 1384408), (524, 1310432), (992, 692204), (1048, 655216), (1321, 519808), (1984, 346102), (2096, 327608), (2642, 259904), (3968, 173051), (4061, 169088), (4192, 163804), (5284, 129952), (8122, 84544), (8384, 81902), (10568, 64976), (16244, 42272), (16768, 40951), (21136, 32488)]