12889825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2333}}^1$

素因数の和:2373

約数の個数: 24

約数和(自身を含む): 18233208

約数和(自身を除く): 5343383

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 2333, 5525, 11665, 30329, 39661, 58325, 151645, 198305, 515593, 758225, 991525, 2577965, 12889825]

約数ペア:

[(1, 12889825), (5, 2577965), (13, 991525), (17, 758225), (25, 515593), (65, 198305), (85, 151645), (221, 58325), (325, 39661), (425, 30329), (1105, 11665), (2333, 5525)]