81130128

素因数分解:

$2^4\times 3^1\times {\mathrm{1690211}}^1$

素因数の和:1690222

約数の個数: 20

約数和(自身を含む): 209586288

約数和(自身を除く): 128456160

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1690211, 3380422, 5070633, 6760844, 10141266, 13521688, 20282532, 27043376, 40565064, 81130128]

約数ペア:

[(1, 81130128), (2, 40565064), (3, 27043376), (4, 20282532), (6, 13521688), (8, 10141266), (12, 6760844), (16, 5070633), (24, 3380422), (48, 1690211)]