2505745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1571}}^1$

素因数の和:1616

約数の個数: 16

約数和(自身を含む): 3395520

約数和(自身を除く): 889775

約数列:

[1, 5, 11, 29, 55, 145, 319, 1571, 1595, 7855, 17281, 45559, 86405, 227795, 501149, 2505745]

約数ペア:

[(1, 2505745), (5, 501149), (11, 227795), (29, 86405), (55, 45559), (145, 17281), (319, 7855), (1571, 1595)]