31291214

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 51701760

約数和(自身を除く): 20410546

約数列:

[1, 2, 19, 31, 38, 62, 101, 202, 263, 526, 589, 1178, 1919, 3131, 3838, 4997, 6262, 8153, 9994, 16306, 26563, 53126, 59489, 118978, 154907, 309814, 504697, 823453, 1009394, 1646906, 15645607, 31291214]

約数ペア:

[(1, 31291214), (2, 15645607), (19, 1646906), (31, 1009394), (38, 823453), (62, 504697), (101, 309814), (202, 154907), (263, 118978), (526, 59489), (589, 53126), (1178, 26563), (1919, 16306), (3131, 9994), (3838, 8153), (4997, 6262)]