621764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1087}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 1279488

約数和(自身を除く): 657724

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 1087, 2174, 4348, 11957, 14131, 23914, 28262, 47828, 56524, 155441, 310882, 621764]

約数ペア:

[(1, 621764), (2, 310882), (4, 155441), (11, 56524), (13, 47828), (22, 28262), (26, 23914), (44, 14131), (52, 11957), (143, 4348), (286, 2174), (572, 1087)]