157039855

素因数分解:

$5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{3221}}^1$

素因数の和:3439

約数の個数: 24

約数和(自身を含む): 220384800

約数和(自身を除く): 63344945

約数列:

[1, 5, 7, 35, 49, 199, 245, 995, 1393, 3221, 6965, 9751, 16105, 22547, 48755, 112735, 157829, 640979, 789145, 3204895, 4486853, 22434265, 31407971, 157039855]

約数ペア:

[(1, 157039855), (5, 31407971), (7, 22434265), (35, 4486853), (49, 3204895), (199, 789145), (245, 640979), (995, 157829), (1393, 112735), (3221, 48755), (6965, 22547), (9751, 16105)]