248980793

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{89}}^2$

素因数の和:281

約数の個数: 18

約数和(自身を含む): 272966814

約数和(自身を除く): 23986021

約数列:

[1, 17, 43, 89, 731, 1513, 1849, 3827, 7921, 31433, 65059, 134657, 164561, 340603, 2797537, 5790251, 14645929, 248980793]

約数ペア:

[(1, 248980793), (17, 14645929), (43, 5790251), (89, 2797537), (731, 340603), (1513, 164561), (1849, 134657), (3827, 65059), (7921, 31433)]