87430505

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1\times {\mathrm{1399}}^1$

素因数の和:1864

約数の個数: 16

約数和(自身を含む): 108864000

約数和(自身を除く): 21433495

約数列:

[1, 5, 29, 145, 431, 1399, 2155, 6995, 12499, 40571, 62495, 202855, 602969, 3014845, 17486101, 87430505]

約数ペア:

[(1, 87430505), (5, 17486101), (29, 3014845), (145, 602969), (431, 202855), (1399, 62495), (2155, 40571), (6995, 12499)]