12943987

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 16374960

約数和(自身を除く): 3430973

約数列:

[1, 7, 17, 41, 49, 119, 287, 379, 697, 833, 2009, 2653, 4879, 6443, 15539, 18571, 34153, 45101, 108773, 264163, 315707, 761411, 1849141, 12943987]

約数ペア:

[(1, 12943987), (7, 1849141), (17, 761411), (41, 315707), (49, 264163), (119, 108773), (287, 45101), (379, 34153), (697, 18571), (833, 15539), (2009, 6443), (2653, 4879)]