71778128

素因数分解:

$2^4\times {\mathrm{839}}^1\times {\mathrm{5347}}^1$

素因数の和:6194

約数の個数: 20

約数和(自身を含む): 139261920

約数和(自身を除く): 67483792

約数列:

[1, 2, 4, 8, 16, 839, 1678, 3356, 5347, 6712, 10694, 13424, 21388, 42776, 85552, 4486133, 8972266, 17944532, 35889064, 71778128]

約数ペア:

[(1, 71778128), (2, 35889064), (4, 17944532), (8, 8972266), (16, 4486133), (839, 85552), (1678, 42776), (3356, 21388), (5347, 13424), (6712, 10694)]