64628785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1217}}^1$

素因数の和:1297

約数の個数: 32

約数和(自身を含む): 90034560

約数和(自身を除く): 25405775

約数列:

[1, 5, 13, 19, 43, 65, 95, 215, 247, 559, 817, 1217, 1235, 2795, 4085, 6085, 10621, 15821, 23123, 52331, 53105, 79105, 115615, 261655, 300599, 680303, 994289, 1502995, 3401515, 4971445, 12925757, 64628785]

約数ペア:

[(1, 64628785), (5, 12925757), (13, 4971445), (19, 3401515), (43, 1502995), (65, 994289), (95, 680303), (215, 300599), (247, 261655), (559, 115615), (817, 79105), (1217, 53105), (1235, 52331), (2795, 23123), (4085, 15821), (6085, 10621)]