16411421

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{269}}^1$

素因数の和:333

約数の個数: 18

約数和(自身を含む): 18825210

約数和(自身を除く): 2413789

約数列:

[1, 13, 19, 169, 247, 269, 361, 3211, 3497, 4693, 5111, 45461, 61009, 66443, 97109, 863759, 1262417, 16411421]

約数ペア:

[(1, 16411421), (13, 1262417), (19, 863759), (169, 97109), (247, 66443), (269, 61009), (361, 45461), (3211, 5111), (3497, 4693)]