81675724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{42451}}^1$

素因数の和:42505

約数の個数: 24

約数和(自身を含む): 158091248

約数和(自身を除く): 76415524

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 42451, 84902, 169804, 551863, 1103726, 1570687, 2207452, 3141374, 6282748, 20418931, 40837862, 81675724]

約数ペア:

[(1, 81675724), (2, 40837862), (4, 20418931), (13, 6282748), (26, 3141374), (37, 2207452), (52, 1570687), (74, 1103726), (148, 551863), (481, 169804), (962, 84902), (1924, 42451)]