8661490

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20143}}^1$

素因数の和:20193

約数の個数: 16

約数和(自身を含む): 15954048

約数和(自身を除く): 7292558

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 20143, 40286, 100715, 201430, 866149, 1732298, 4330745, 8661490]

約数ペア:

[(1, 8661490), (2, 4330745), (5, 1732298), (10, 866149), (43, 201430), (86, 100715), (215, 40286), (430, 20143)]