1287885905

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{601}}^1\times {\mathrm{9967}}^1$

素因数の和:10616

約数の個数: 16

約数和(自身を含む): 1584194304

約数和(自身を除く): 296308399

約数列:

[1, 5, 43, 215, 601, 3005, 9967, 25843, 49835, 129215, 428581, 2142905, 5990167, 29950835, 257577181, 1287885905]

約数ペア:

[(1, 1287885905), (5, 257577181), (43, 29950835), (215, 5990167), (601, 2142905), (3005, 428581), (9967, 129215), (25843, 49835)]