2021307715

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1\times {\mathrm{1367}}^1$

素因数の和:1971

約数の個数: 32

約数和(自身を含む): 2813045760

約数和(自身を除く): 791738045

約数列:

[1, 5, 7, 35, 83, 415, 509, 581, 1367, 2545, 2905, 3563, 6835, 9569, 17815, 42247, 47845, 113461, 211235, 295729, 567305, 695803, 794227, 1478645, 3479015, 3971135, 4870621, 24353105, 57751649, 288758245, 404261543, 2021307715]

約数ペア:

[(1, 2021307715), (5, 404261543), (7, 288758245), (35, 57751649), (83, 24353105), (415, 4870621), (509, 3971135), (581, 3479015), (1367, 1478645), (2545, 794227), (2905, 695803), (3563, 567305), (6835, 295729), (9569, 211235), (17815, 113461), (42247, 47845)]