489094879

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{773}}^1$

素因数の和:1219

約数の個数: 32

約数和(自身を含む): 639757440

約数和(自身を除く): 150662561

約数列:

[1, 7, 13, 17, 91, 119, 221, 409, 773, 1547, 2863, 5317, 5411, 6953, 10049, 13141, 37219, 48671, 70343, 90389, 91987, 170833, 316157, 632723, 1195831, 2213099, 4110041, 5374669, 28770287, 37622683, 69870697, 489094879]

約数ペア:

[(1, 489094879), (7, 69870697), (13, 37622683), (17, 28770287), (91, 5374669), (119, 4110041), (221, 2213099), (409, 1195831), (773, 632723), (1547, 316157), (2863, 170833), (5317, 91987), (5411, 90389), (6953, 70343), (10049, 48671), (13141, 37219)]