12742219

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 14938560

約数和(自身を除く): 2196341

約数列:

[1, 7, 89, 113, 181, 623, 791, 1267, 10057, 16109, 20453, 70399, 112763, 143171, 1820317, 12742219]

約数ペア:

[(1, 12742219), (7, 1820317), (89, 143171), (113, 112763), (181, 70399), (623, 20453), (791, 16109), (1267, 10057)]