69289025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12541}}^1$

素因数の和:12581

約数の個数: 24

約数和(自身を含む): 97978104

約数和(自身を除く): 28689079

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 12541, 62705, 163033, 213197, 313525, 815165, 1065985, 2771561, 4075825, 5329925, 13857805, 69289025]

約数ペア:

[(1, 69289025), (5, 13857805), (13, 5329925), (17, 4075825), (25, 2771561), (65, 1065985), (85, 815165), (221, 313525), (325, 213197), (425, 163033), (1105, 62705), (5525, 12541)]