81178728

素因数分解:

$2^3\times 3^1\times {\mathrm{277}}^1\times {\mathrm{12211}}^1$

素因数の和:12497

約数の個数: 32

約数和(自身を含む): 203696160

約数和(自身を除く): 122517432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 277, 554, 831, 1108, 1662, 2216, 3324, 6648, 12211, 24422, 36633, 48844, 73266, 97688, 146532, 293064, 3382447, 6764894, 10147341, 13529788, 20294682, 27059576, 40589364, 81178728]

約数ペア:

[(1, 81178728), (2, 40589364), (3, 27059576), (4, 20294682), (6, 13529788), (8, 10147341), (12, 6764894), (24, 3382447), (277, 293064), (554, 146532), (831, 97688), (1108, 73266), (1662, 48844), (2216, 36633), (3324, 24422), (6648, 12211)]