31171723

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 38304000

約数和(自身を除く): 7132277

約数列:

[1, 11, 19, 29, 37, 139, 209, 319, 407, 551, 703, 1073, 1529, 2641, 4031, 5143, 6061, 7733, 11803, 20387, 29051, 44341, 56573, 76589, 97717, 149147, 224257, 842479, 1074887, 1640617, 2833793, 31171723]

約数ペア:

[(1, 31171723), (11, 2833793), (19, 1640617), (29, 1074887), (37, 842479), (139, 224257), (209, 149147), (319, 97717), (407, 76589), (551, 56573), (703, 44341), (1073, 29051), (1529, 20387), (2641, 11803), (4031, 7733), (5143, 6061)]