28531286

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{33409}}^1$

素因数の和:33479

約数の個数: 16

約数和(自身を含む): 49714080

約数和(自身を除く): 21182794

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 33409, 66818, 233863, 467726, 2037949, 4075898, 14265643, 28531286]

約数ペア:

[(1, 28531286), (2, 14265643), (7, 4075898), (14, 2037949), (61, 467726), (122, 233863), (427, 66818), (854, 33409)]