78280188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{931907}}^1$

素因数の和:931921

約数の個数: 24

約数和(自身を含む): 208747392

約数和(自身を除く): 130467204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 931907, 1863814, 2795721, 3727628, 5591442, 6523349, 11182884, 13046698, 19570047, 26093396, 39140094, 78280188]

約数ペア:

[(1, 78280188), (2, 39140094), (3, 26093396), (4, 19570047), (6, 13046698), (7, 11182884), (12, 6523349), (14, 5591442), (21, 3727628), (28, 2795721), (42, 1863814), (84, 931907)]