39878489

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1949}}^1$

素因数の和:2072

約数の個数: 16

約数和(自身を含む): 47424000

約数和(自身を除く): 7545511

約数列:

[1, 7, 37, 79, 259, 553, 1949, 2923, 13643, 20461, 72113, 153971, 504791, 1077797, 5696927, 39878489]

約数ペア:

[(1, 39878489), (7, 5696927), (37, 1077797), (79, 504791), (259, 153971), (553, 72113), (1949, 20461), (2923, 13643)]