129045904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{620413}}^1$

素因数の和:620434

約数の個数: 20

約数和(自身を含む): 269259676

約数和(自身を除く): 140213772

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 620413, 1240826, 2481652, 4963304, 8065369, 9926608, 16130738, 32261476, 64522952, 129045904]

約数ペア:

[(1, 129045904), (2, 64522952), (4, 32261476), (8, 16130738), (13, 9926608), (16, 8065369), (26, 4963304), (52, 2481652), (104, 1240826), (208, 620413)]