159657488

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{20323}}^1$

素因数の和:20822

約数の個数: 20

約数和(自身を含む): 309981648

約数和(自身を除く): 150324160

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 3928, 7856, 20323, 40646, 81292, 162584, 325168, 9978593, 19957186, 39914372, 79828744, 159657488]

約数ペア:

[(1, 159657488), (2, 79828744), (4, 39914372), (8, 19957186), (16, 9978593), (491, 325168), (982, 162584), (1964, 81292), (3928, 40646), (7856, 20323)]