85618864

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{281641}}^1$

素因数の和:281668

約数の個数: 20

約数和(自身を含む): 174618040

約数和(自身を除く): 88999176

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 281641, 563282, 1126564, 2253128, 4506256, 5351179, 10702358, 21404716, 42809432, 85618864]

約数ペア:

[(1, 85618864), (2, 42809432), (4, 21404716), (8, 10702358), (16, 5351179), (19, 4506256), (38, 2253128), (76, 1126564), (152, 563282), (304, 281641)]