1389782009

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{47623}}^1$

素因数の和:48020

約数の個数: 16

約数和(自身を含む): 1737323520

約数和(自身を除く): 347541511

約数列:

[1, 7, 11, 77, 379, 2653, 4169, 29183, 47623, 333361, 523853, 3666971, 18049117, 126343819, 198540287, 1389782009]

約数ペア:

[(1, 1389782009), (7, 198540287), (11, 126343819), (77, 18049117), (379, 3666971), (2653, 523853), (4169, 333361), (29183, 47623)]