16999405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4651}}^1$

素因数の和:4716

約数の個数: 16

約数和(自身を含む): 22106304

約数和(自身を除く): 5106899

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 4651, 23255, 79067, 199993, 395335, 999965, 3399881, 16999405]

約数ペア:

[(1, 16999405), (5, 3399881), (17, 999965), (43, 395335), (85, 199993), (215, 79067), (731, 23255), (3655, 4651)]