78890008

素因数分解:

$2^3\times {\mathrm{461}}^1\times {\mathrm{21391}}^1$

素因数の和:21858

約数の個数: 16

約数和(自身を含む): 148246560

約数和(自身を除く): 69356552

約数列:

[1, 2, 4, 8, 461, 922, 1844, 3688, 21391, 42782, 85564, 171128, 9861251, 19722502, 39445004, 78890008]

約数ペア:

[(1, 78890008), (2, 39445004), (4, 19722502), (8, 9861251), (461, 171128), (922, 85564), (1844, 42782), (3688, 21391)]