31042948

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{809}}^1$

素因数の和:1047

約数の個数: 24

約数和(自身を含む): 55724760

約数和(自身を除く): 24681812

約数列:

[1, 2, 4, 53, 106, 181, 212, 362, 724, 809, 1618, 3236, 9593, 19186, 38372, 42877, 85754, 146429, 171508, 292858, 585716, 7760737, 15521474, 31042948]

約数ペア:

[(1, 31042948), (2, 15521474), (4, 7760737), (53, 585716), (106, 292858), (181, 171508), (212, 146429), (362, 85754), (724, 42877), (809, 38372), (1618, 19186), (3236, 9593)]