71722651

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 97187328

約数和(自身を除く): 25464677

約数列:

[1, 7, 11, 13, 77, 91, 137, 143, 523, 959, 1001, 1507, 1781, 3661, 5753, 6799, 10549, 12467, 19591, 40271, 47593, 71651, 74789, 137137, 501557, 523523, 788161, 931463, 5517127, 6520241, 10246093, 71722651]

約数ペア:

[(1, 71722651), (7, 10246093), (11, 6520241), (13, 5517127), (77, 931463), (91, 788161), (137, 523523), (143, 501557), (523, 137137), (959, 74789), (1001, 71651), (1507, 47593), (1781, 40271), (3661, 19591), (5753, 12467), (6799, 10549)]