199980022

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{50221}}^1$

素因数の和:50415

約数の個数: 16

約数和(自身を含む): 329054544

約数和(自身を除く): 129074522

約数列:

[1, 2, 11, 22, 181, 362, 1991, 3982, 50221, 100442, 552431, 1104862, 9090001, 18180002, 99990011, 199980022]

約数ペア:

[(1, 199980022), (2, 99990011), (11, 18180002), (22, 9090001), (181, 1104862), (362, 552431), (1991, 100442), (3982, 50221)]