64405445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{31963}}^1$

素因数の和:32012

約数の個数: 16

約数和(自身を含む): 85919232

約数和(自身を除く): 21513787

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 31963, 159815, 415519, 990853, 2077595, 4954265, 12881089, 64405445]

約数ペア:

[(1, 64405445), (5, 12881089), (13, 4954265), (31, 2077595), (65, 990853), (155, 415519), (403, 159815), (2015, 31963)]