28299719

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{631}}^1$

素因数の和:830

約数の個数: 16

約数和(自身を含む): 33369600

約数和(自身を除く): 5069881

約数列:

[1, 7, 43, 149, 301, 631, 1043, 4417, 6407, 27133, 44849, 94019, 189931, 658133, 4042817, 28299719]

約数ペア:

[(1, 28299719), (7, 4042817), (43, 658133), (149, 189931), (301, 94019), (631, 44849), (1043, 27133), (4417, 6407)]