72187375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1433}}^1$

素因数の和:1492

約数の個数: 32

約数和(自身を含む): 100219392

約数和(自身を除く): 28032017

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 325, 403, 775, 1433, 1625, 2015, 3875, 7165, 10075, 18629, 35825, 44423, 50375, 93145, 179125, 222115, 465725, 577499, 1110575, 2328625, 2887495, 5552875, 14437475, 72187375]

約数ペア:

[(1, 72187375), (5, 14437475), (13, 5552875), (25, 2887495), (31, 2328625), (65, 1110575), (125, 577499), (155, 465725), (325, 222115), (403, 179125), (775, 93145), (1433, 50375), (1625, 44423), (2015, 35825), (3875, 18629), (7165, 10075)]