639189374

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{3449}}^1\times {\mathrm{4877}}^1$

素因数の和:8347

約数の個数: 16

約数和(自身を含む): 1009746000

約数和(自身を除く): 370556626

約数列:

[1, 2, 19, 38, 3449, 4877, 6898, 9754, 65531, 92663, 131062, 185326, 16820773, 33641546, 319594687, 639189374]

約数ペア:

[(1, 639189374), (2, 319594687), (19, 33641546), (38, 16820773), (3449, 185326), (4877, 131062), (6898, 92663), (9754, 65531)]