28647856

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{105323}}^1$

素因数の和:105348

約数の個数: 20

約数和(自身を含む): 58770792

約数和(自身を除く): 30122936

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 105323, 210646, 421292, 842584, 1685168, 1790491, 3580982, 7161964, 14323928, 28647856]

約数ペア:

[(1, 28647856), (2, 14323928), (4, 7161964), (8, 3580982), (16, 1790491), (17, 1685168), (34, 842584), (68, 421292), (136, 210646), (272, 105323)]