31328381

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 39325440

約数和(自身を除く): 7997059

約数列:

[1, 7, 29, 37, 43, 97, 203, 259, 301, 679, 1073, 1247, 1591, 2813, 3589, 4171, 7511, 8729, 11137, 19691, 25123, 29197, 46139, 104081, 120959, 154327, 322973, 728567, 846713, 1080289, 4475483, 31328381]

約数ペア:

[(1, 31328381), (7, 4475483), (29, 1080289), (37, 846713), (43, 728567), (97, 322973), (203, 154327), (259, 120959), (301, 104081), (679, 46139), (1073, 29197), (1247, 25123), (1591, 19691), (2813, 11137), (3589, 8729), (4171, 7511)]