253161025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{45821}}^1$

素因数の和:45861

約数の個数: 24

約数和(自身を含む): 357961464

約数和(自身を除く): 104800439

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 45821, 229105, 595673, 778957, 1145525, 2978365, 3894785, 10126441, 14891825, 19473925, 50632205, 253161025]

約数ペア:

[(1, 253161025), (5, 50632205), (13, 19473925), (17, 14891825), (25, 10126441), (65, 3894785), (85, 2978365), (221, 1145525), (325, 778957), (425, 595673), (1105, 229105), (5525, 45821)]