247720031

素因数分解:

${\mathrm{13}}^2\times {\mathrm{911}}^1\times {\mathrm{1609}}^1$

素因数の和:2546

約数の個数: 12

約数和(自身を含む): 268702560

約数和(自身を除く): 20982529

約数列:

[1, 13, 169, 911, 1609, 11843, 20917, 153959, 271921, 1465799, 19055387, 247720031]

約数ペア:

[(1, 247720031), (13, 19055387), (169, 1465799), (911, 271921), (1609, 153959), (11843, 20917)]