1778135021

素因数分解:

${\mathrm{13}}^2\times {\mathrm{419}}^1\times {\mathrm{25111}}^1$

素因数の和:25556

約数の個数: 12

約数和(自身を含む): 1930108320

約数和(自身を除く): 151973299

約数列:

[1, 13, 169, 419, 5447, 25111, 70811, 326443, 4243759, 10521509, 136779617, 1778135021]

約数ペア:

[(1, 1778135021), (13, 136779617), (169, 10521509), (419, 4243759), (5447, 326443), (25111, 70811)]