64650985

素因数分解:

$5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 90881280

約数和(自身を除く): 26230295

約数列:

[1, 5, 7, 35, 97, 137, 139, 485, 679, 685, 695, 959, 973, 3395, 4795, 4865, 13289, 13483, 19043, 66445, 67415, 93023, 94381, 95215, 133301, 465115, 471905, 666505, 1847171, 9235855, 12930197, 64650985]

約数ペア:

[(1, 64650985), (5, 12930197), (7, 9235855), (35, 1847171), (97, 666505), (137, 471905), (139, 465115), (485, 133301), (679, 95215), (685, 94381), (695, 93023), (959, 67415), (973, 66445), (3395, 19043), (4795, 13483), (4865, 13289)]