12657775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 18748800

約数和(自身を除く): 6091025

約数列:

[1, 5, 13, 17, 25, 29, 65, 79, 85, 145, 221, 325, 377, 395, 425, 493, 725, 1027, 1105, 1343, 1885, 1975, 2291, 2465, 5135, 5525, 6409, 6715, 9425, 11455, 12325, 17459, 25675, 29783, 32045, 33575, 38947, 57275, 87295, 148915, 160225, 194735, 436475, 506311, 744575, 973675, 2531555, 12657775]

約数ペア:

[(1, 12657775), (5, 2531555), (13, 973675), (17, 744575), (25, 506311), (29, 436475), (65, 194735), (79, 160225), (85, 148915), (145, 87295), (221, 57275), (325, 38947), (377, 33575), (395, 32045), (425, 29783), (493, 25675), (725, 17459), (1027, 12325), (1105, 11455), (1343, 9425), (1885, 6715), (1975, 6409), (2291, 5525), (2465, 5135)]