15988892

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 28518000

約数和(自身を除く): 12529108

約数列:

[1, 2, 4, 139, 149, 193, 278, 298, 386, 556, 596, 772, 20711, 26827, 28757, 41422, 53654, 57514, 82844, 107308, 115028, 3997223, 7994446, 15988892]

約数ペア:

[(1, 15988892), (2, 7994446), (4, 3997223), (139, 115028), (149, 107308), (193, 82844), (278, 57514), (298, 53654), (386, 41422), (556, 28757), (596, 26827), (772, 20711)]