129974468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{2499509}}^1$

素因数の和:2499526

約数の個数: 12

約数和(自身を含む): 244951980

約数和(自身を除く): 114977512

約数列:

[1, 2, 4, 13, 26, 52, 2499509, 4999018, 9998036, 32493617, 64987234, 129974468]

約数ペア:

[(1, 129974468), (2, 64987234), (4, 32493617), (13, 9998036), (26, 4999018), (52, 2499509)]