2531555

素因数分解:

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

素因数の和:143

約数の個数: 32

約数和(自身を含む): 3628800

約数和(自身を除く): 1097245

約数列:

[1, 5, 13, 17, 29, 65, 79, 85, 145, 221, 377, 395, 493, 1027, 1105, 1343, 1885, 2291, 2465, 5135, 6409, 6715, 11455, 17459, 29783, 32045, 38947, 87295, 148915, 194735, 506311, 2531555]

約数ペア:

[(1, 2531555), (5, 506311), (13, 194735), (17, 148915), (29, 87295), (65, 38947), (79, 32045), (85, 29783), (145, 17459), (221, 11455), (377, 6715), (395, 6409), (493, 5135), (1027, 2465), (1105, 2291), (1343, 1885)]