71389712

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{43319}}^1$

素因数の和:43430

約数の個数: 20

約数和(自身を含む): 139663680

約数和(自身を除く): 68273968

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 43319, 86638, 173276, 346552, 693104, 4461857, 8923714, 17847428, 35694856, 71389712]

約数ペア:

[(1, 71389712), (2, 35694856), (4, 17847428), (8, 8923714), (16, 4461857), (103, 693104), (206, 346552), (412, 173276), (824, 86638), (1648, 43319)]