638935297

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{58027}}^1$

素因数の和:58069

約数の個数: 24

約数和(自身を含む): 864385088

約数和(自身を除く): 225449791

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 847, 1001, 1573, 11011, 58027, 406189, 638297, 754351, 4468079, 5280457, 7021267, 8297861, 49148869, 58085027, 91276471, 638935297]

約数ペア:

[(1, 638935297), (7, 91276471), (11, 58085027), (13, 49148869), (77, 8297861), (91, 7021267), (121, 5280457), (143, 4468079), (847, 754351), (1001, 638297), (1573, 406189), (11011, 58027)]