128220874

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1\times {\mathrm{2851}}^1$

素因数の和:3165

約数の個数: 16

約数和(自身を含む): 195076800

約数和(自身を除く): 66855926

約数列:

[1, 2, 113, 199, 226, 398, 2851, 5702, 22487, 44974, 322163, 567349, 644326, 1134698, 64110437, 128220874]

約数ペア:

[(1, 128220874), (2, 64110437), (113, 1134698), (199, 644326), (226, 567349), (398, 322163), (2851, 44974), (5702, 22487)]