201891305

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{4003}}^1$

素因数の和:4157

約数の個数: 32

約数和(自身を含む): 304432128

約数和(自身を除く): 102540823

約数列:

[1, 5, 7, 11, 35, 55, 77, 131, 385, 655, 917, 1441, 4003, 4585, 7205, 10087, 20015, 28021, 44033, 50435, 140105, 220165, 308231, 524393, 1541155, 2621965, 3670751, 5768323, 18353755, 28841615, 40378261, 201891305]

約数ペア:

[(1, 201891305), (5, 40378261), (7, 28841615), (11, 18353755), (35, 5768323), (55, 3670751), (77, 2621965), (131, 1541155), (385, 524393), (655, 308231), (917, 220165), (1441, 140105), (4003, 50435), (4585, 44033), (7205, 28021), (10087, 20015)]