128565968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{472669}}^1$

素因数の和:472694

約数の個数: 20

約数和(自身を含む): 263749860

約数和(自身を除く): 135183892

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 472669, 945338, 1890676, 3781352, 7562704, 8035373, 16070746, 32141492, 64282984, 128565968]

約数ペア:

[(1, 128565968), (2, 64282984), (4, 32141492), (8, 16070746), (16, 8035373), (17, 7562704), (34, 3781352), (68, 1890676), (136, 945338), (272, 472669)]