80320898

素因数分解:

$2^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{9209}}^1$

素因数の和:9314

約数の個数: 24

約数和(自身を含む): 141741900

約数和(自身を除く): 61421002

約数列:

[1, 2, 7, 14, 49, 89, 98, 178, 623, 1246, 4361, 8722, 9209, 18418, 64463, 128926, 451241, 819601, 902482, 1639202, 5737207, 11474414, 40160449, 80320898]

約数ペア:

[(1, 80320898), (2, 40160449), (7, 11474414), (14, 5737207), (49, 1639202), (89, 902482), (98, 819601), (178, 451241), (623, 128926), (1246, 64463), (4361, 18418), (8722, 9209)]