128899352

素因数分解:

$2^3\times {\mathrm{223}}^1\times {\mathrm{72253}}^1$

素因数の和:72482

約数の個数: 16

約数和(自身を含む): 242773440

約数和(自身を除く): 113874088

約数列:

[1, 2, 4, 8, 223, 446, 892, 1784, 72253, 144506, 289012, 578024, 16112419, 32224838, 64449676, 128899352]

約数ペア:

[(1, 128899352), (2, 64449676), (4, 32224838), (8, 16112419), (223, 578024), (446, 289012), (892, 144506), (1784, 72253)]