81715736

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{20719}}^1$

素因数の和:20771

約数の個数: 32

約数和(自身を含む): 167832000

約数和(自身を除く): 86116264

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 116, 136, 232, 493, 986, 1972, 3944, 20719, 41438, 82876, 165752, 352223, 600851, 704446, 1201702, 1408892, 2403404, 2817784, 4806808, 10214467, 20428934, 40857868, 81715736]

約数ペア:

[(1, 81715736), (2, 40857868), (4, 20428934), (8, 10214467), (17, 4806808), (29, 2817784), (34, 2403404), (58, 1408892), (68, 1201702), (116, 704446), (136, 600851), (232, 352223), (493, 165752), (986, 82876), (1972, 41438), (3944, 20719)]