31868825

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 41347800

約数和(自身を除く): 9478975

約数列:

[1, 5, 25, 29, 113, 145, 389, 565, 725, 1945, 2825, 3277, 9725, 11281, 16385, 43957, 56405, 81925, 219785, 282025, 1098925, 1274753, 6373765, 31868825]

約数ペア:

[(1, 31868825), (5, 6373765), (25, 1274753), (29, 1098925), (113, 282025), (145, 219785), (389, 81925), (565, 56405), (725, 43957), (1945, 16385), (2825, 11281), (3277, 9725)]