78772970

素因数分解:

$2^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{7901}}^1$

素因数の和:8905

約数の個数: 16

約数和(自身を含む): 141951528

約数和(自身を除く): 63178558

約数列:

[1, 2, 5, 10, 997, 1994, 4985, 7901, 9970, 15802, 39505, 79010, 7877297, 15754594, 39386485, 78772970]

約数ペア:

[(1, 78772970), (2, 39386485), (5, 15754594), (10, 7877297), (997, 79010), (1994, 39505), (4985, 15802), (7901, 9970)]