8991218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 15120000

約数和(自身を除く): 6128782

約数列:

[1, 2, 19, 29, 38, 41, 58, 82, 199, 398, 551, 779, 1102, 1189, 1558, 2378, 3781, 5771, 7562, 8159, 11542, 16318, 22591, 45182, 109649, 155021, 219298, 236611, 310042, 473222, 4495609, 8991218]

約数ペア:

[(1, 8991218), (2, 4495609), (19, 473222), (29, 310042), (38, 236611), (41, 219298), (58, 155021), (82, 109649), (199, 45182), (398, 22591), (551, 16318), (779, 11542), (1102, 8159), (1189, 7562), (1558, 5771), (2378, 3781)]