123642724

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{222379}}^1$

素因数の和:222522

約数の個数: 12

約数和(自身を含む): 217932400

約数和(自身を除く): 94289676

約数列:

[1, 2, 4, 139, 278, 556, 222379, 444758, 889516, 30910681, 61821362, 123642724]

約数ペア:

[(1, 123642724), (2, 61821362), (4, 30910681), (139, 889516), (278, 444758), (556, 222379)]