78931818

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{626443}}^1$

素因数の和:626458

約数の個数: 24

約数和(自身を含む): 195450528

約数和(自身を除く): 116518710

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 626443, 1252886, 1879329, 3758658, 4385101, 5637987, 8770202, 11275974, 13155303, 26310606, 39465909, 78931818]

約数ペア:

[(1, 78931818), (2, 39465909), (3, 26310606), (6, 13155303), (7, 11275974), (9, 8770202), (14, 5637987), (18, 4385101), (21, 3758658), (42, 1879329), (63, 1252886), (126, 626443)]