248858545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{123503}}^1$

素因数の和:123552

約数の個数: 16

約数和(自身を含む): 331978752

約数和(自身を除く): 83120207

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 123503, 617515, 1605539, 3828593, 8027695, 19142965, 49771709, 248858545]

約数ペア:

[(1, 248858545), (5, 49771709), (13, 19142965), (31, 8027695), (65, 3828593), (155, 1605539), (403, 617515), (2015, 123503)]