66641615

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{18233}}^1$

素因数の和:18298

約数の個数: 16

約数和(自身を含む): 86647968

約数和(自身を除く): 20006353

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 18233, 91165, 309961, 784019, 1549805, 3920095, 13328323, 66641615]

約数ペア:

[(1, 66641615), (5, 13328323), (17, 3920095), (43, 1549805), (85, 784019), (215, 309961), (731, 91165), (3655, 18233)]