128450308

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199457}}^1$

素因数の和:199491

約数の個数: 24

約数和(自身を含む): 268071552

約数和(自身を除く): 139621244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 199457, 398914, 797828, 1396199, 2792398, 4587511, 5584796, 9175022, 18350044, 32112577, 64225154, 128450308]

約数ペア:

[(1, 128450308), (2, 64225154), (4, 32112577), (7, 18350044), (14, 9175022), (23, 5584796), (28, 4587511), (46, 2792398), (92, 1396199), (161, 797828), (322, 398914), (644, 199457)]