66444670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{390851}}^1$

素因数の和:390875

約数の個数: 16

約数和(自身を含む): 126636048

約数和(自身を除く): 60191378

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 390851, 781702, 1954255, 3908510, 6644467, 13288934, 33222335, 66444670]

約数ペア:

[(1, 66444670), (2, 33222335), (5, 13288934), (10, 6644467), (17, 3908510), (34, 1954255), (85, 781702), (170, 390851)]