81225256

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{27367}}^1$

素因数の和:27433

約数の個数: 32

約数和(自身を含む): 177344640

約数和(自身を除く): 96119384

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 27367, 54734, 109468, 191569, 218936, 383138, 766276, 1450451, 1532552, 2900902, 5801804, 10153157, 11603608, 20306314, 40612628, 81225256]

約数ペア:

[(1, 81225256), (2, 40612628), (4, 20306314), (7, 11603608), (8, 10153157), (14, 5801804), (28, 2900902), (53, 1532552), (56, 1450451), (106, 766276), (212, 383138), (371, 218936), (424, 191569), (742, 109468), (1484, 54734), (2968, 27367)]