28571504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137363}}^1$

素因数の和:137384

約数の個数: 20

約数和(自身を含む): 59615976

約数和(自身を除く): 31044472

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 137363, 274726, 549452, 1098904, 1785719, 2197808, 3571438, 7142876, 14285752, 28571504]

約数ペア:

[(1, 28571504), (2, 14285752), (4, 7142876), (8, 3571438), (13, 2197808), (16, 1785719), (26, 1098904), (52, 549452), (104, 274726), (208, 137363)]