409408025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{74101}}^1$

素因数の和:74141

約数の個数: 24

約数和(自身を含む): 578884824

約数和(自身を除く): 169476799

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 74101, 370505, 963313, 1259717, 1852525, 4816565, 6298585, 16376321, 24082825, 31492925, 81881605, 409408025]

約数ペア:

[(1, 409408025), (5, 81881605), (13, 31492925), (17, 24082825), (25, 16376321), (65, 6298585), (85, 4816565), (221, 1852525), (325, 1259717), (425, 963313), (1105, 370505), (5525, 74101)]