2021851195

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{4457}}^1$

素因数の和:5479

約数の個数: 32

約数和(自身を含む): 2989784448

約数和(自身を除く): 967933253

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 997, 4457, 4985, 6979, 12961, 22285, 31199, 34895, 57941, 64805, 90727, 155995, 289705, 405587, 453635, 2027935, 4443629, 22218145, 31105403, 57767177, 155527015, 288835885, 404370239, 2021851195]

約数ペア:

[(1, 2021851195), (5, 404370239), (7, 288835885), (13, 155527015), (35, 57767177), (65, 31105403), (91, 22218145), (455, 4443629), (997, 2027935), (4457, 453635), (4985, 405587), (6979, 289705), (12961, 155995), (22285, 90727), (31199, 64805), (34895, 57941)]