345660028

素因数分解:

$2^2\times 7^1\times {\mathrm{12345001}}^1$

素因数の和:12345012

約数の個数: 12

約数和(自身を含む): 691320112

約数和(自身を除く): 345660084

約数列:

[1, 2, 4, 7, 14, 28, 12345001, 24690002, 49380004, 86415007, 172830014, 345660028]

約数ペア:

[(1, 345660028), (2, 172830014), (4, 86415007), (7, 49380004), (14, 24690002), (28, 12345001)]