90820975

素因数分解:

$5^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2689}}^1$

素因数の和:2899

約数の個数: 24

約数和(自身を含む): 129421280

約数和(自身を除く): 38600305

約数列:

[1, 5, 7, 25, 35, 175, 193, 965, 1351, 2689, 4825, 6755, 13445, 18823, 33775, 67225, 94115, 470575, 518977, 2594885, 3632839, 12974425, 18164195, 90820975]

約数ペア:

[(1, 90820975), (5, 18164195), (7, 12974425), (25, 3632839), (35, 2594885), (175, 518977), (193, 470575), (965, 94115), (1351, 67225), (2689, 33775), (4825, 18823), (6755, 13445)]