257480632

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{311}}^1\times {\mathrm{2797}}^1$

素因数の和:3151

約数の個数: 32

約数和(自身を含む): 497596320

約数和(自身を除く): 240115688

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 311, 622, 1244, 2488, 2797, 5594, 11188, 11507, 22376, 23014, 46028, 92056, 103489, 206978, 413956, 827912, 869867, 1739734, 3479468, 6958936, 32185079, 64370158, 128740316, 257480632]

約数ペア:

[(1, 257480632), (2, 128740316), (4, 64370158), (8, 32185079), (37, 6958936), (74, 3479468), (148, 1739734), (296, 869867), (311, 827912), (622, 413956), (1244, 206978), (2488, 103489), (2797, 92056), (5594, 46028), (11188, 23014), (11507, 22376)]