39964338

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{31271}}^1$

素因数の和:31350

約数の個数: 24

約数和(自身を含む): 87811776

約数和(自身を除く): 47847438

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 31271, 62542, 93813, 187626, 281439, 562878, 2220241, 4440482, 6660723, 13321446, 19982169, 39964338]

約数ペア:

[(1, 39964338), (2, 19982169), (3, 13321446), (6, 6660723), (9, 4440482), (18, 2220241), (71, 562878), (142, 281439), (213, 187626), (426, 93813), (639, 62542), (1278, 31271)]