87251665

素因数分解:

$5^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1\times {\mathrm{433}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 105993216

約数和(自身を除く): 18741551

約数列:

[1, 5, 191, 211, 433, 955, 1055, 2165, 40301, 82703, 91363, 201505, 413515, 456815, 17450333, 87251665]

約数ペア:

[(1, 87251665), (5, 17450333), (191, 456815), (211, 413515), (433, 201505), (955, 91363), (1055, 82703), (2165, 40301)]