65987155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{23609}}^1$

素因数の和:23670

約数の個数: 16

約数和(自身を含む): 87262560

約数和(自身を除く): 21275405

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 23609, 118045, 306917, 1015187, 1534585, 5075935, 13197431, 65987155]

約数ペア:

[(1, 65987155), (5, 13197431), (13, 5075935), (43, 1534585), (65, 1015187), (215, 306917), (559, 118045), (2795, 23609)]