1313996890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1476401}}^1$

素因数の和:1476497

約数の個数: 16

約数和(自身を含む): 2391771240

約数和(自身を除く): 1077774350

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 1476401, 2952802, 7382005, 14764010, 131399689, 262799378, 656998445, 1313996890]

約数ペア:

[(1, 1313996890), (2, 656998445), (5, 262799378), (10, 131399689), (89, 14764010), (178, 7382005), (445, 2952802), (890, 1476401)]