1261893590

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{993617}}^1$

素因数の和:993751

約数の個数: 16

約数和(自身を含む): 2289295872

約数和(自身を除く): 1027402282

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 993617, 1987234, 4968085, 9936170, 126189359, 252378718, 630946795, 1261893590]

約数ペア:

[(1, 1261893590), (2, 630946795), (5, 252378718), (10, 126189359), (127, 9936170), (254, 4968085), (635, 1987234), (1270, 993617)]