258442925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1613}}^1$

素因数の和:1682

約数の個数: 48

約数和(自身を含む): 378257040

約数和(自身を除く): 119814115

約数列:

[1, 5, 13, 17, 25, 29, 65, 85, 145, 221, 325, 377, 425, 493, 725, 1105, 1613, 1885, 2465, 5525, 6409, 8065, 9425, 12325, 20969, 27421, 32045, 40325, 46777, 104845, 137105, 160225, 233885, 356473, 524225, 608101, 685525, 795209, 1169425, 1782365, 3040505, 3976045, 8911825, 10337717, 15202525, 19880225, 51688585, 258442925]

約数ペア:

[(1, 258442925), (5, 51688585), (13, 19880225), (17, 15202525), (25, 10337717), (29, 8911825), (65, 3976045), (85, 3040505), (145, 1782365), (221, 1169425), (325, 795209), (377, 685525), (425, 608101), (493, 524225), (725, 356473), (1105, 233885), (1613, 160225), (1885, 137105), (2465, 104845), (5525, 46777), (6409, 40325), (8065, 32045), (9425, 27421), (12325, 20969)]