31994221

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 40919040

約数和(自身を除く): 8924819

約数列:

[1, 7, 17, 29, 73, 119, 127, 203, 493, 511, 889, 1241, 2117, 2159, 3451, 3683, 8687, 9271, 14819, 15113, 25781, 35989, 62611, 64897, 157607, 251923, 268859, 438277, 1103249, 1882013, 4570603, 31994221]

約数ペア:

[(1, 31994221), (7, 4570603), (17, 1882013), (29, 1103249), (73, 438277), (119, 268859), (127, 251923), (203, 157607), (493, 64897), (511, 62611), (889, 35989), (1241, 25781), (2117, 15113), (2159, 14819), (3451, 9271), (3683, 8687)]