69991025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6947}}^1$

素因数の和:7001

約数の個数: 24

約数和(自身を含む): 96493824

約数和(自身を除く): 26502799

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 2015, 6947, 10075, 34735, 90311, 173675, 215357, 451555, 1076785, 2257775, 2799641, 5383925, 13998205, 69991025]

約数ペア:

[(1, 69991025), (5, 13998205), (13, 5383925), (25, 2799641), (31, 2257775), (65, 1076785), (155, 451555), (325, 215357), (403, 173675), (775, 90311), (2015, 34735), (6947, 10075)]