13200421

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{4111}}^1$

素因数の和:4156

約数の個数: 12

約数和(自身を含む): 15049920

約数和(自身を除く): 1849499

約数列:

[1, 13, 19, 169, 247, 3211, 4111, 53443, 78109, 694759, 1015417, 13200421]

約数ペア:

[(1, 13200421), (13, 1015417), (19, 694759), (169, 78109), (247, 53443), (3211, 4111)]