8421959

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4871}}^1$

素因数の和:4910

約数の個数: 16

約数和(自身を含む): 10913280

約数和(自身を除く): 2491321

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 4871, 34097, 63323, 92549, 443261, 647843, 1203137, 8421959]

約数ペア:

[(1, 8421959), (7, 1203137), (13, 647843), (19, 443261), (91, 92549), (133, 63323), (247, 34097), (1729, 4871)]