28009685

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{691}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 37550688

約数和(自身を除く): 9541003

約数列:

[1, 5, 11, 55, 67, 121, 335, 605, 691, 737, 3455, 3685, 7601, 8107, 38005, 40535, 46297, 83611, 231485, 418055, 509267, 2546335, 5601937, 28009685]

約数ペア:

[(1, 28009685), (5, 5601937), (11, 2546335), (55, 509267), (67, 418055), (121, 231485), (335, 83611), (605, 46297), (691, 40535), (737, 38005), (3455, 8107), (3685, 7601)]