66627736

素因数分解:

$2^3\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2909}}^1$

素因数の和:3331

約数の個数: 32

約数和(自身を含む): 143172000

約数和(自身を除く): 76544264

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 409, 818, 1636, 2863, 2909, 3272, 5726, 5818, 11452, 11636, 20363, 22904, 23272, 40726, 81452, 162904, 1189781, 2379562, 4759124, 8328467, 9518248, 16656934, 33313868, 66627736]

約数ペア:

[(1, 66627736), (2, 33313868), (4, 16656934), (7, 9518248), (8, 8328467), (14, 4759124), (28, 2379562), (56, 1189781), (409, 162904), (818, 81452), (1636, 40726), (2863, 23272), (2909, 22904), (3272, 20363), (5726, 11636), (5818, 11452)]