127970512

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{195077}}^1$

素因数の和:195126

約数の個数: 20

約数和(自身を含む): 253991556

約数和(自身を除く): 126021044

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 195077, 390154, 780308, 1560616, 3121232, 7998157, 15996314, 31992628, 63985256, 127970512]

約数ペア:

[(1, 127970512), (2, 63985256), (4, 31992628), (8, 15996314), (16, 7998157), (41, 3121232), (82, 1560616), (164, 780308), (328, 390154), (656, 195077)]