77418970

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{19501}}^1$

素因数の和:19905

約数の個数: 16

約数和(自身を含む): 139712328

約数和(自身を除く): 62293358

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 19501, 39002, 97505, 195010, 7741897, 15483794, 38709485, 77418970]

約数ペア:

[(1, 77418970), (2, 38709485), (5, 15483794), (10, 7741897), (397, 195010), (794, 97505), (1985, 39002), (3970, 19501)]