251017195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{617}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 355078080

約数和(自身を除く): 104060885

約数列:

[1, 5, 11, 13, 55, 65, 143, 569, 617, 715, 2845, 3085, 6259, 6787, 7397, 8021, 31295, 33935, 36985, 40105, 81367, 88231, 351073, 406835, 441155, 1755365, 3861803, 4563949, 19309015, 22819745, 50203439, 251017195]

約数ペア:

[(1, 251017195), (5, 50203439), (11, 22819745), (13, 19309015), (55, 4563949), (65, 3861803), (143, 1755365), (569, 441155), (617, 406835), (715, 351073), (2845, 88231), (3085, 81367), (6259, 40105), (6787, 36985), (7397, 33935), (8021, 31295)]