636775984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{12703}}^1$

素因数の和:12965

約数の個数: 40

約数和(自身を含む): 1334275712

約数和(自身を除く): 697499728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 241, 482, 964, 1928, 3133, 3856, 6266, 12532, 12703, 25064, 25406, 50128, 50812, 101624, 165139, 203248, 330278, 660556, 1321112, 2642224, 3061423, 6122846, 12245692, 24491384, 39798499, 48982768, 79596998, 159193996, 318387992, 636775984]

約数ペア:

[(1, 636775984), (2, 318387992), (4, 159193996), (8, 79596998), (13, 48982768), (16, 39798499), (26, 24491384), (52, 12245692), (104, 6122846), (208, 3061423), (241, 2642224), (482, 1321112), (964, 660556), (1928, 330278), (3133, 203248), (3856, 165139), (6266, 101624), (12532, 50812), (12703, 50128), (25064, 25406)]