28478338

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{33347}}^1$

素因数の和:33417

約数の個数: 16

約数和(自身を含む): 49621824

約数和(自身を除く): 21143486

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 33347, 66694, 233429, 466858, 2034167, 4068334, 14239169, 28478338]

約数ペア:

[(1, 28478338), (2, 14239169), (7, 4068334), (14, 2034167), (61, 466858), (122, 233429), (427, 66694), (854, 33347)]