25893959

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 33632256

約数和(自身を除く): 7738297

約数列:

[1, 7, 13, 31, 67, 91, 137, 217, 403, 469, 871, 959, 1781, 2077, 2821, 4247, 6097, 9179, 12467, 14539, 27001, 29729, 55211, 64253, 119327, 189007, 284549, 386477, 835289, 1991843, 3699137, 25893959]

約数ペア:

[(1, 25893959), (7, 3699137), (13, 1991843), (31, 835289), (67, 386477), (91, 284549), (137, 189007), (217, 119327), (403, 64253), (469, 55211), (871, 29729), (959, 27001), (1781, 14539), (2077, 12467), (2821, 9179), (4247, 6097)]