289997386

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{128659}}^1$

素因数の和:128698

約数の個数: 24

約数和(自身を含む): 528020640

約数和(自身を除く): 238023254

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 128659, 257318, 900613, 1801226, 2959157, 5918314, 6304291, 12608582, 20714099, 41428198, 144998693, 289997386]

約数ペア:

[(1, 289997386), (2, 144998693), (7, 41428198), (14, 20714099), (23, 12608582), (46, 6304291), (49, 5918314), (98, 2959157), (161, 1801226), (322, 900613), (1127, 257318), (2254, 128659)]