1261280362

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1\times {\mathrm{10391}}^1$

素因数の和:10973

約数の個数: 16

約数和(自身を含む): 1910215872

約数和(自身を除く): 648935510

約数列:

[1, 2, 137, 274, 443, 886, 10391, 20782, 60691, 121382, 1423567, 2847134, 4603213, 9206426, 630640181, 1261280362]

約数ペア:

[(1, 1261280362), (2, 630640181), (137, 9206426), (274, 4603213), (443, 2847134), (886, 1423567), (10391, 121382), (20782, 60691)]