1640668612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{867161}}^1$

素因数の和:867219

約数の個数: 24

約数和(自身を含む): 3205030752

約数和(自身を除く): 1564362140

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 867161, 1734322, 3468644, 9538771, 19077542, 37287923, 38155084, 74575846, 149151692, 410167153, 820334306, 1640668612]

約数ペア:

[(1, 1640668612), (2, 820334306), (4, 410167153), (11, 149151692), (22, 74575846), (43, 38155084), (44, 37287923), (86, 19077542), (172, 9538771), (473, 3468644), (946, 1734322), (1892, 867161)]