71239256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{1259}}^1$

素因数の和:1919

約数の個数: 32

約数和(自身を含む): 146059200

約数和(自身を除く): 74819944

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 643, 1259, 1286, 2518, 2572, 5036, 5144, 7073, 10072, 13849, 14146, 27698, 28292, 55396, 56584, 110792, 809537, 1619074, 3238148, 6476296, 8904907, 17809814, 35619628, 71239256]

約数ペア:

[(1, 71239256), (2, 35619628), (4, 17809814), (8, 8904907), (11, 6476296), (22, 3238148), (44, 1619074), (88, 809537), (643, 110792), (1259, 56584), (1286, 55396), (2518, 28292), (2572, 27698), (5036, 14146), (5144, 13849), (7073, 10072)]