128758315

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 180633600

約数和(自身を除く): 51875285

約数列:

[1, 5, 7, 35, 83, 127, 349, 415, 581, 635, 889, 1745, 2443, 2905, 4445, 10541, 12215, 28967, 44323, 52705, 73787, 144835, 202769, 221615, 310261, 368935, 1013845, 1551305, 3678809, 18394045, 25751663, 128758315]

約数ペア:

[(1, 128758315), (5, 25751663), (7, 18394045), (35, 3678809), (83, 1551305), (127, 1013845), (349, 368935), (415, 310261), (581, 221615), (635, 202769), (889, 144835), (1745, 73787), (2443, 52705), (2905, 44323), (4445, 28967), (10541, 12215)]