16425215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4217}}^1$

素因数の和:4282

約数の個数: 16

約数和(自身を含む): 21258720

約数和(自身を除く): 4833505

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 4217, 21085, 80123, 172897, 400615, 864485, 3285043, 16425215]

約数ペア:

[(1, 16425215), (5, 3285043), (19, 864485), (41, 400615), (95, 172897), (205, 80123), (779, 21085), (3895, 4217)]