81974690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{9221}}^1$

素因数の和:9362

約数の個数: 32

約数和(自身を含む): 169979904

約数和(自身を除く): 88005214

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 4445, 8890, 9221, 18442, 46105, 64547, 92210, 129094, 322735, 645470, 1171067, 2342134, 5855335, 8197469, 11710670, 16394938, 40987345, 81974690]

約数ペア:

[(1, 81974690), (2, 40987345), (5, 16394938), (7, 11710670), (10, 8197469), (14, 5855335), (35, 2342134), (70, 1171067), (127, 645470), (254, 322735), (635, 129094), (889, 92210), (1270, 64547), (1778, 46105), (4445, 18442), (8890, 9221)]