86408005

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{2221}}^1$

素因数の和:2508

約数の個数: 16

約数和(自身を含む): 107509248

約数和(自身を除く): 21101243

約数列:

[1, 5, 31, 155, 251, 1255, 2221, 7781, 11105, 38905, 68851, 344255, 557471, 2787355, 17281601, 86408005]

約数ペア:

[(1, 86408005), (5, 17281601), (31, 2787355), (155, 557471), (251, 344255), (1255, 68851), (2221, 38905), (7781, 11105)]