31990478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{3931}}^1$

素因数の和:4259

約数の個数: 16

約数和(自身を含む): 51855216

約数和(自身を除く): 19864738

約数列:

[1, 2, 13, 26, 313, 626, 3931, 4069, 7862, 8138, 51103, 102206, 1230403, 2460806, 15995239, 31990478]

約数ペア:

[(1, 31990478), (2, 15995239), (13, 2460806), (26, 1230403), (313, 102206), (626, 51103), (3931, 8138), (4069, 7862)]