31117667

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 39813120

約数和(自身を除く): 8695453

約数列:

[1, 7, 17, 29, 71, 119, 127, 203, 493, 497, 889, 1207, 2059, 2159, 3451, 3683, 8449, 9017, 14413, 15113, 25781, 35003, 62611, 63119, 153289, 245021, 261493, 438277, 1073023, 1830451, 4445381, 31117667]

約数ペア:

[(1, 31117667), (7, 4445381), (17, 1830451), (29, 1073023), (71, 438277), (119, 261493), (127, 245021), (203, 153289), (493, 63119), (497, 62611), (889, 35003), (1207, 25781), (2059, 15113), (2159, 14413), (3451, 9017), (3683, 8449)]