78680066

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1\times {\mathrm{2137}}^1$

素因数の和:2629

約数の個数: 16

約数和(自身を含む): 121224600

約数和(自身を除く): 42544534

約数列:

[1, 2, 41, 82, 449, 898, 2137, 4274, 18409, 36818, 87617, 175234, 959513, 1919026, 39340033, 78680066]

約数ペア:

[(1, 78680066), (2, 39340033), (41, 1919026), (82, 959513), (449, 175234), (898, 87617), (2137, 36818), (4274, 18409)]