1256406905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{2251}}^1$

素因数の和:2577

約数の個数: 32

約数和(自身を含む): 1682838528

約数和(自身を除く): 426431623

約数列:

[1, 5, 13, 31, 65, 155, 277, 403, 1385, 2015, 2251, 3601, 8587, 11255, 18005, 29263, 42935, 69781, 111631, 146315, 348905, 558155, 623527, 907153, 3117635, 4535765, 8105851, 19329337, 40529255, 96646685, 251281381, 1256406905]

約数ペア:

[(1, 1256406905), (5, 251281381), (13, 96646685), (31, 40529255), (65, 19329337), (155, 8105851), (277, 4535765), (403, 3117635), (1385, 907153), (2015, 623527), (2251, 558155), (3601, 348905), (8587, 146315), (11255, 111631), (18005, 69781), (29263, 42935)]