253138925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{45817}}^1$

素因数の和:45857

約数の個数: 24

約数和(自身を含む): 357930216

約数和(自身を除く): 104791291

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 45817, 229085, 595621, 778889, 1145425, 2978105, 3894445, 10125557, 14890525, 19472225, 50627785, 253138925]

約数ペア:

[(1, 253138925), (5, 50627785), (13, 19472225), (17, 14890525), (25, 10125557), (65, 3894445), (85, 2978105), (221, 1145425), (325, 778889), (425, 595621), (1105, 229085), (5525, 45817)]