216899215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1\times {\mathrm{2609}}^1$

素因数の和:3906

約数の個数: 16

約数和(自身を含む): 280627200

約数和(自身を除く): 63727985

約数列:

[1, 5, 13, 65, 1279, 2609, 6395, 13045, 16627, 33917, 83135, 169585, 3336911, 16684555, 43379843, 216899215]

約数ペア:

[(1, 216899215), (5, 43379843), (13, 16684555), (65, 3336911), (1279, 169585), (2609, 83135), (6395, 33917), (13045, 16627)]