81377870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1162541}}^1$

素因数の和:1162555

約数の個数: 16

約数和(自身を含む): 167406048

約数和(自身を除く): 86028178

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1162541, 2325082, 5812705, 8137787, 11625410, 16275574, 40688935, 81377870]

約数ペア:

[(1, 81377870), (2, 40688935), (5, 16275574), (7, 11625410), (10, 8137787), (14, 5812705), (35, 2325082), (70, 1162541)]