64961455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{27011}}^1$

素因数の和:27066

約数の個数: 16

約数和(自身を含む): 86222304

約数和(自身を除く): 21260849

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 27011, 135055, 351143, 999407, 1755715, 4997035, 12992291, 64961455]

約数ペア:

[(1, 64961455), (5, 12992291), (13, 4997035), (37, 1755715), (65, 999407), (185, 351143), (481, 135055), (2405, 27011)]