199941376

素因数分解:

$2^8\times {\mathrm{781021}}^1$

素因数の和:781037

約数の個数: 18

約数和(自身を含む): 399102242

約数和(自身を除く): 199160866

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 781021, 1562042, 3124084, 6248168, 12496336, 24992672, 49985344, 99970688, 199941376]

約数ペア:

[(1, 199941376), (2, 99970688), (4, 49985344), (8, 24992672), (16, 12496336), (32, 6248168), (64, 3124084), (128, 1562042), (256, 781021)]