71389745

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3463}}^1$

素因数の和:3525

約数の個数: 32

約数和(自身を含む): 106414080

約数和(自身を除く): 35024335

約数列:

[1, 5, 7, 19, 31, 35, 95, 133, 155, 217, 589, 665, 1085, 2945, 3463, 4123, 17315, 20615, 24241, 65797, 107353, 121205, 328985, 460579, 536765, 751471, 2039707, 2302895, 3757355, 10198535, 14277949, 71389745]

約数ペア:

[(1, 71389745), (5, 14277949), (7, 10198535), (19, 3757355), (31, 2302895), (35, 2039707), (95, 751471), (133, 536765), (155, 460579), (217, 328985), (589, 121205), (665, 107353), (1085, 65797), (2945, 24241), (3463, 20615), (4123, 17315)]