28416685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 39813120

約数和(自身を除く): 11396435

約数列:

[1, 5, 11, 19, 55, 71, 95, 209, 355, 383, 781, 1045, 1349, 1915, 3905, 4213, 6745, 7277, 14839, 21065, 27193, 36385, 74195, 80047, 135965, 299123, 400235, 516667, 1495615, 2583335, 5683337, 28416685]

約数ペア:

[(1, 28416685), (5, 5683337), (11, 2583335), (19, 1495615), (55, 516667), (71, 400235), (95, 299123), (209, 135965), (355, 80047), (383, 74195), (781, 36385), (1045, 27193), (1349, 21065), (1915, 14839), (3905, 7277), (4213, 6745)]