521784661612

素因数分解:

$2^2\times {\mathrm{68507}}^1\times {\mathrm{1904129}}^1$

素因数の和:1972640

約数の個数: 12

約数和(自身を含む): 913136966280

約数和(自身を除く): 391352304668

約数列:

[1, 2, 4, 68507, 137014, 274028, 1904129, 3808258, 7616516, 130446165403, 260892330806, 521784661612]

約数ペア:

[(1, 521784661612), (2, 260892330806), (4, 130446165403), (68507, 7616516), (137014, 3808258), (274028, 1904129)]