9981442

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{809}}^1$

素因数の和:1041

約数の個数: 16

約数和(自身を含む): 15552000

約数和(自身を除く): 5570558

約数列:

[1, 2, 31, 62, 199, 398, 809, 1618, 6169, 12338, 25079, 50158, 160991, 321982, 4990721, 9981442]

約数ペア:

[(1, 9981442), (2, 4990721), (31, 321982), (62, 160991), (199, 50158), (398, 25079), (809, 12338), (1618, 6169)]