205372816

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{2467}}^1$

素因数の和:2540

約数の個数: 60

約数和(自身を含む): 447724816

約数和(自身を除く): 242352000

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 121, 172, 176, 242, 344, 473, 484, 688, 946, 968, 1892, 1936, 2467, 3784, 4934, 5203, 7568, 9868, 10406, 19736, 20812, 27137, 39472, 41624, 54274, 83248, 106081, 108548, 212162, 217096, 298507, 424324, 434192, 597014, 848648, 1166891, 1194028, 1697296, 2333782, 2388056, 4667564, 4776112, 9335128, 12835801, 18670256, 25671602, 51343204, 102686408, 205372816]

約数ペア:

[(1, 205372816), (2, 102686408), (4, 51343204), (8, 25671602), (11, 18670256), (16, 12835801), (22, 9335128), (43, 4776112), (44, 4667564), (86, 2388056), (88, 2333782), (121, 1697296), (172, 1194028), (176, 1166891), (242, 848648), (344, 597014), (473, 434192), (484, 424324), (688, 298507), (946, 217096), (968, 212162), (1892, 108548), (1936, 106081), (2467, 83248), (3784, 54274), (4934, 41624), (5203, 39472), (7568, 27137), (9868, 20812), (10406, 19736)]