209123528

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{7727}}^1$

素因数の和:7949

約数の個数: 32

約数和(自身を含む): 417312000

約数和(自身を除く): 208188472

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 199, 398, 796, 1592, 3383, 6766, 7727, 13532, 15454, 27064, 30908, 61816, 131359, 262718, 525436, 1050872, 1537673, 3075346, 6150692, 12301384, 26140441, 52280882, 104561764, 209123528]

約数ペア:

[(1, 209123528), (2, 104561764), (4, 52280882), (8, 26140441), (17, 12301384), (34, 6150692), (68, 3075346), (136, 1537673), (199, 1050872), (398, 525436), (796, 262718), (1592, 131359), (3383, 61816), (6766, 30908), (7727, 27064), (13532, 15454)]