87651415

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{13151}}^1$

素因数の和:13230

約数の個数: 16

約数和(自身を含む): 111108096

約数和(自身を除く): 23456681

約数列:

[1, 5, 31, 43, 155, 215, 1333, 6665, 13151, 65755, 407681, 565493, 2038405, 2827465, 17530283, 87651415]

約数ペア:

[(1, 87651415), (5, 17530283), (31, 2827465), (43, 2038405), (155, 565493), (215, 407681), (1333, 65755), (6665, 13151)]