131497928

素因数分解:

$2^3\times {\mathrm{821}}^1\times {\mathrm{20021}}^1$

素因数の和:20848

約数の個数: 16

約数和(自身を含む): 246871260

約数和(自身を除く): 115373332

約数列:

[1, 2, 4, 8, 821, 1642, 3284, 6568, 20021, 40042, 80084, 160168, 16437241, 32874482, 65748964, 131497928]

約数ペア:

[(1, 131497928), (2, 65748964), (4, 32874482), (8, 16437241), (821, 160168), (1642, 80084), (3284, 40042), (6568, 20021)]