256452328

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{997}}^1$

素因数の和:1130

約数の個数: 64

約数和(自身を含む): 546105600

約数和(自身を除く): 289653272

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 79, 88, 148, 158, 296, 316, 407, 632, 814, 869, 997, 1628, 1738, 1994, 2923, 3256, 3476, 3988, 5846, 6952, 7976, 10967, 11692, 21934, 23384, 32153, 36889, 43868, 64306, 73778, 78763, 87736, 128612, 147556, 157526, 257224, 295112, 315052, 405779, 630104, 811558, 866393, 1623116, 1732786, 2914231, 3246232, 3465572, 5828462, 6931144, 11656924, 23313848, 32056541, 64113082, 128226164, 256452328]

約数ペア:

[(1, 256452328), (2, 128226164), (4, 64113082), (8, 32056541), (11, 23313848), (22, 11656924), (37, 6931144), (44, 5828462), (74, 3465572), (79, 3246232), (88, 2914231), (148, 1732786), (158, 1623116), (296, 866393), (316, 811558), (407, 630104), (632, 405779), (814, 315052), (869, 295112), (997, 257224), (1628, 157526), (1738, 147556), (1994, 128612), (2923, 87736), (3256, 78763), (3476, 73778), (3988, 64306), (5846, 43868), (6952, 36889), (7976, 32153), (10967, 23384), (11692, 21934)]