1981222321

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{617011}}^1$

素因数の和:617056

約数の個数: 12

約数和(自身を含む): 2258263920

約数和(自身を除く): 277041599

約数列:

[1, 13, 19, 169, 247, 3211, 617011, 8021143, 11723209, 104274859, 152401717, 1981222321]

約数ペア:

[(1, 1981222321), (13, 152401717), (19, 104274859), (169, 11723209), (247, 8021143), (3211, 617011)]