28205023

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{743}}^1$

素因数の和:807

約数の個数: 32

約数和(自身を含む): 38568960

約数和(自身を除く): 10363937

約数列:

[1, 7, 11, 17, 29, 77, 119, 187, 203, 319, 493, 743, 1309, 2233, 3451, 5201, 5423, 8173, 12631, 21547, 37961, 57211, 88417, 138941, 150829, 237017, 366299, 972587, 1659119, 2564093, 4029289, 28205023]

約数ペア:

[(1, 28205023), (7, 4029289), (11, 2564093), (17, 1659119), (29, 972587), (77, 366299), (119, 237017), (187, 150829), (203, 138941), (319, 88417), (493, 57211), (743, 37961), (1309, 21547), (2233, 12631), (3451, 8173), (5201, 5423)]