64697456

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{347}}^1$

素因数の和:669

約数の個数: 40

約数和(自身を含む): 129110784

約数和(自身を除く): 64413328

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 271, 344, 347, 542, 688, 694, 1084, 1388, 2168, 2776, 4336, 5552, 11653, 14921, 23306, 29842, 46612, 59684, 93224, 94037, 119368, 186448, 188074, 238736, 376148, 752296, 1504592, 4043591, 8087182, 16174364, 32348728, 64697456]

約数ペア:

[(1, 64697456), (2, 32348728), (4, 16174364), (8, 8087182), (16, 4043591), (43, 1504592), (86, 752296), (172, 376148), (271, 238736), (344, 188074), (347, 186448), (542, 119368), (688, 94037), (694, 93224), (1084, 59684), (1388, 46612), (2168, 29842), (2776, 23306), (4336, 14921), (5552, 11653)]