257318015

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{727}}^1\times {\mathrm{2441}}^1$

素因数の和:3202

約数の個数: 16

約数和(自身を含む): 319999680

約数和(自身を除く): 62681665

約数列:

[1, 5, 29, 145, 727, 2441, 3635, 12205, 21083, 70789, 105415, 353945, 1774607, 8873035, 51463603, 257318015]

約数ペア:

[(1, 257318015), (5, 51463603), (29, 8873035), (145, 1774607), (727, 353945), (2441, 105415), (3635, 70789), (12205, 21083)]