16899775

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{9521}}^1$

素因数の和:9602

約数の個数: 12

約数和(自身を含む): 21253104

約数和(自身を除く): 4353329

約数列:

[1, 5, 25, 71, 355, 1775, 9521, 47605, 238025, 675991, 3379955, 16899775]

約数ペア:

[(1, 16899775), (5, 3379955), (25, 675991), (71, 238025), (355, 47605), (1775, 9521)]