25490804

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{661}}^1$

素因数の和:1007

約数の個数: 24

約数和(自身を含む): 46265856

約数和(自身を除く): 20775052

約数列:

[1, 2, 4, 31, 62, 124, 311, 622, 661, 1244, 1322, 2644, 9641, 19282, 20491, 38564, 40982, 81964, 205571, 411142, 822284, 6372701, 12745402, 25490804]

約数ペア:

[(1, 25490804), (2, 12745402), (4, 6372701), (31, 822284), (62, 411142), (124, 205571), (311, 81964), (622, 40982), (661, 38564), (1244, 20491), (1322, 19282), (2644, 9641)]