3999998

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1657}}^1$

素因数の和:1747

約数の個数: 16

約数和(自身を含む): 6446304

約数和(自身を除く): 2446306

約数列:

[1, 2, 17, 34, 71, 142, 1207, 1657, 2414, 3314, 28169, 56338, 117647, 235294, 1999999, 3999998]

約数ペア:

[(1, 3999998), (2, 1999999), (17, 235294), (34, 117647), (71, 56338), (142, 28169), (1207, 3314), (1657, 2414)]