87691210

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{213881}}^1$

素因数の和:213929

約数の個数: 16

約数和(自身を含む): 161694792

約数和(自身を除く): 74003582

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 213881, 427762, 1069405, 2138810, 8769121, 17538242, 43845605, 87691210]

約数ペア:

[(1, 87691210), (2, 43845605), (5, 17538242), (10, 8769121), (41, 2138810), (82, 1069405), (205, 427762), (410, 213881)]