91990115

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3217}}^1$

素因数の和:3291

約数の個数: 32

約数和(自身を含む): 135928320

約数和(自身を除く): 43938205

約数列:

[1, 5, 7, 19, 35, 43, 95, 133, 215, 301, 665, 817, 1505, 3217, 4085, 5719, 16085, 22519, 28595, 61123, 112595, 138331, 305615, 427861, 691655, 968317, 2139305, 2628289, 4841585, 13141445, 18398023, 91990115]

約数ペア:

[(1, 91990115), (5, 18398023), (7, 13141445), (19, 4841585), (35, 2628289), (43, 2139305), (95, 968317), (133, 691655), (215, 427861), (301, 305615), (665, 138331), (817, 112595), (1505, 61123), (3217, 28595), (4085, 22519), (5719, 16085)]