28058204

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 49980000

約数和(自身を除く): 21921796

約数列:

[1, 2, 4, 101, 199, 202, 349, 398, 404, 698, 796, 1396, 20099, 35249, 40198, 69451, 70498, 80396, 138902, 140996, 277804, 7014551, 14029102, 28058204]

約数ペア:

[(1, 28058204), (2, 14029102), (4, 7014551), (101, 277804), (199, 140996), (202, 138902), (349, 80396), (398, 70498), (404, 69451), (698, 40198), (796, 35249), (1396, 20099)]