71720816

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{41893}}^1$

素因数の和:42008

約数の個数: 20

約数和(自身を含む): 140261112

約数和(自身を除く): 68540296

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 41893, 83786, 167572, 335144, 670288, 4482551, 8965102, 17930204, 35860408, 71720816]

約数ペア:

[(1, 71720816), (2, 35860408), (4, 17930204), (8, 8965102), (16, 4482551), (107, 670288), (214, 335144), (428, 167572), (856, 83786), (1712, 41893)]