200438

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 16

約数和(自身を含む): 349440

約数和(自身を除く): 149002

約数列:

[1, 2, 7, 14, 103, 139, 206, 278, 721, 973, 1442, 1946, 14317, 28634, 100219, 200438]

約数ペア:

[(1, 200438), (2, 100219), (7, 28634), (14, 14317), (103, 1946), (139, 1442), (206, 973), (278, 721)]