81167746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{359}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 136857600

約数和(自身を除く): 55689854

約数列:

[1, 2, 11, 22, 43, 86, 239, 359, 473, 478, 718, 946, 2629, 3949, 5258, 7898, 10277, 15437, 20554, 30874, 85801, 113047, 169807, 171602, 226094, 339614, 943811, 1887622, 3689443, 7378886, 40583873, 81167746]

約数ペア:

[(1, 81167746), (2, 40583873), (11, 7378886), (22, 3689443), (43, 1887622), (86, 943811), (239, 339614), (359, 226094), (473, 171602), (478, 169807), (718, 113047), (946, 85801), (2629, 30874), (3949, 20554), (5258, 15437), (7898, 10277)]