28611935

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 40310784

約数和(自身を除く): 11698849

約数列:

[1, 5, 11, 17, 55, 71, 85, 187, 355, 431, 781, 935, 1207, 2155, 3905, 4741, 6035, 7327, 13277, 23705, 30601, 36635, 66385, 80597, 153005, 336611, 402985, 520217, 1683055, 2601085, 5722387, 28611935]

約数ペア:

[(1, 28611935), (5, 5722387), (11, 2601085), (17, 1683055), (55, 520217), (71, 402985), (85, 336611), (187, 153005), (355, 80597), (431, 66385), (781, 36635), (935, 30601), (1207, 23705), (2155, 13277), (3905, 7327), (4741, 6035)]