71288010.000000000

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{3863}}^1$

素因数の和:3982

約数の個数: 32

約数和(自身を含む): 225348480

約数和(自身を除く): 96764662

約数列:

[1, 2, 11, 17, 22, 34, 89, 178, 187, 374, 979, 1513, 1958, 3026, 3863, 7726, 16643, 33286, 42493, 65671, 84986, 131342, 343807, 687614, 722381, 1444762, 3781877, 5844719, 7563754, 11689438, 64291909, 128583818]

約数ペア:

[(1, 128583818), (2, 64291909), (11, 11689438), (17, 7563754), (22, 5844719), (34, 3781877), (89, 1444762), (178, 722381), (187, 687614), (374, 343807), (979, 131342), (1513, 84986), (1958, 65671), (3026, 42493), (3863, 33286), (7726, 16643)]