81519396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{970469}}^1$

素因数の和:970483

約数の個数: 24

約数和(自身を含む): 217385280

約数和(自身を除く): 135865884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 970469, 1940938, 2911407, 3881876, 5822814, 6793283, 11645628, 13586566, 20379849, 27173132, 40759698, 81519396]

約数ペア:

[(1, 81519396), (2, 40759698), (3, 27173132), (4, 20379849), (6, 13586566), (7, 11645628), (12, 6793283), (14, 5822814), (21, 3881876), (28, 2911407), (42, 1940938), (84, 970469)]