1531445

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:484

約数の個数: 16

約数和(自身を含む): 1995840

約数和(自身を除く): 464395

約数列:

[1, 5, 17, 43, 85, 215, 419, 731, 2095, 3655, 7123, 18017, 35615, 90085, 306289, 1531445]

約数ペア:

[(1, 1531445), (5, 306289), (17, 90085), (43, 35615), (85, 18017), (215, 7123), (419, 3655), (731, 2095)]