1642679998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{608851}}^1$

素因数の和:608943

約数の個数: 16

約数和(自身を含む): 2630240640

約数和(自身を除く): 987560642

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 608851, 1217702, 11568169, 23136338, 43228421, 86456842, 821339999, 1642679998]

約数ペア:

[(1, 1642679998), (2, 821339999), (19, 86456842), (38, 43228421), (71, 23136338), (142, 11568169), (1349, 1217702), (2698, 608851)]