400654894

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{1913}}^1$

素因数の和:2124

約数の個数: 32

約数和(自身を含む): 653209920

約数和(自身を除く): 252555026

約数列:

[1, 2, 23, 29, 46, 58, 157, 314, 667, 1334, 1913, 3611, 3826, 4553, 7222, 9106, 43999, 55477, 87998, 104719, 110954, 209438, 300341, 600682, 1275971, 2551942, 6907843, 8709889, 13815686, 17419778, 200327447, 400654894]

約数ペア:

[(1, 400654894), (2, 200327447), (23, 17419778), (29, 13815686), (46, 8709889), (58, 6907843), (157, 2551942), (314, 1275971), (667, 600682), (1334, 300341), (1913, 209438), (3611, 110954), (3826, 104719), (4553, 87998), (7222, 55477), (9106, 43999)]