2781492025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{84737}}^1$

素因数の和:84861

約数の個数: 24

約数和(自身を含む): 3751181784

約数和(自身を除く): 969689759

約数列:

[1, 5, 13, 25, 65, 101, 325, 505, 1313, 2525, 6565, 32825, 84737, 423685, 1101581, 2118425, 5507905, 8558437, 27539525, 42792185, 111259681, 213960925, 556298405, 2781492025]

約数ペア:

[(1, 2781492025), (5, 556298405), (13, 213960925), (25, 111259681), (65, 42792185), (101, 27539525), (325, 8558437), (505, 5507905), (1313, 2118425), (2525, 1101581), (6565, 423685), (32825, 84737)]