138664805

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{20347}}^1$

素因数の和:20428

約数の個数: 16

約数和(自身を含む): 175806720

約数和(自身を除く): 37141915

約数列:

[1, 5, 29, 47, 145, 235, 1363, 6815, 20347, 101735, 590063, 956309, 2950315, 4781545, 27732961, 138664805]

約数ペア:

[(1, 138664805), (5, 27732961), (29, 4781545), (47, 2950315), (145, 956309), (235, 590063), (1363, 101735), (6815, 20347)]