90971639

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 108264960

約数和(自身を除く): 17293321

約数列:

[1, 11, 19, 31, 209, 341, 361, 589, 739, 3971, 6479, 8129, 11191, 14041, 22909, 123101, 154451, 251999, 266779, 435271, 2934569, 4787981, 8270149, 90971639]

約数ペア:

[(1, 90971639), (11, 8270149), (19, 4787981), (31, 2934569), (209, 435271), (341, 266779), (361, 251999), (589, 154451), (739, 123101), (3971, 22909), (6479, 14041), (8129, 11191)]