263769025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47741}}^1$

素因数の和:47781

約数の個数: 24

約数和(自身を含む): 372960504

約数和(自身を除く): 109191479

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 47741, 238705, 620633, 811597, 1193525, 3103165, 4057985, 10550761, 15515825, 20289925, 52753805, 263769025]

約数ペア:

[(1, 263769025), (5, 52753805), (13, 20289925), (17, 15515825), (25, 10550761), (65, 4057985), (85, 3103165), (221, 1193525), (325, 811597), (425, 620633), (1105, 238705), (5525, 47741)]