780944656

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{668617}}^1$

素因数の和:668698

約数の個数: 20

約数和(自身を含む): 1533809692

約数和(自身を除く): 752865036

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 668617, 1337234, 2674468, 5348936, 10697872, 48809041, 97618082, 195236164, 390472328, 780944656]

約数ペア:

[(1, 780944656), (2, 390472328), (4, 195236164), (8, 97618082), (16, 48809041), (73, 10697872), (146, 5348936), (292, 2674468), (584, 1337234), (1168, 668617)]