199971254

素因数分解:

$2^1\times 7^2\times {\mathrm{691}}^1\times {\mathrm{2953}}^1$

素因数の和:3660

約数の個数: 24

約数和(自身を含む): 349552728

約数和(自身を除く): 149581474

約数列:

[1, 2, 7, 14, 49, 98, 691, 1382, 2953, 4837, 5906, 9674, 20671, 33859, 41342, 67718, 144697, 289394, 2040523, 4081046, 14283661, 28567322, 99985627, 199971254]

約数ペア:

[(1, 199971254), (2, 99985627), (7, 28567322), (14, 14283661), (49, 4081046), (98, 2040523), (691, 289394), (1382, 144697), (2953, 67718), (4837, 41342), (5906, 33859), (9674, 20671)]