248260025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{1657}}^1$

素因数の和:2141

約数の個数: 24

約数和(自身を含む): 332442264

約数和(自身を除く): 84182239

約数列:

[1, 5, 13, 25, 65, 325, 461, 1657, 2305, 5993, 8285, 11525, 21541, 29965, 41425, 107705, 149825, 538525, 763877, 3819385, 9930401, 19096925, 49652005, 248260025]

約数ペア:

[(1, 248260025), (5, 49652005), (13, 19096925), (25, 9930401), (65, 3819385), (325, 763877), (461, 538525), (1657, 149825), (2305, 107705), (5993, 41425), (8285, 29965), (11525, 21541)]