91997780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{657127}}^1$

素因数の和:657143

約数の個数: 24

約数和(自身を含む): 220795008

約数和(自身を除く): 128797228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 657127, 1314254, 2628508, 3285635, 4599889, 6571270, 9199778, 13142540, 18399556, 22999445, 45998890, 91997780]

約数ペア:

[(1, 91997780), (2, 45998890), (4, 22999445), (5, 18399556), (7, 13142540), (10, 9199778), (14, 6571270), (20, 4599889), (28, 3285635), (35, 2628508), (70, 1314254), (140, 657127)]