28158898

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1\times {\mathrm{509}}^1$

素因数の和:849

約数の個数: 16

約数和(自身を含む): 42840000

約数和(自身を除く): 14681102

約数列:

[1, 2, 139, 199, 278, 398, 509, 1018, 27661, 55322, 70751, 101291, 141502, 202582, 14079449, 28158898]

約数ペア:

[(1, 28158898), (2, 14079449), (139, 202582), (199, 141502), (278, 101291), (398, 70751), (509, 55322), (1018, 27661)]