157221779455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{78025697}}^1$

素因数の和:78025746

約数の個数: 16

約数和(自身を含む): 209733076224

約数和(自身を除く): 52511296769

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 78025697, 390128485, 1014334061, 2418796607, 5071670305, 12093983035, 31444355891, 157221779455]

約数ペア:

[(1, 157221779455), (5, 31444355891), (13, 12093983035), (31, 5071670305), (65, 2418796607), (155, 1014334061), (403, 390128485), (2015, 78025697)]