64650352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{310819}}^1$

素因数の和:310840

約数の個数: 20

約数和(自身を含む): 134895880

約数和(自身を除く): 70245528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 310819, 621638, 1243276, 2486552, 4040647, 4973104, 8081294, 16162588, 32325176, 64650352]

約数ペア:

[(1, 64650352), (2, 32325176), (4, 16162588), (8, 8081294), (13, 4973104), (16, 4040647), (26, 2486552), (52, 1243276), (104, 621638), (208, 310819)]