281477170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{40853}}^1$

素因数の和:40926

約数の個数: 32

約数和(自身を含む): 555941232

約数和(自身を除く): 274464062

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890, 40853, 81706, 204265, 408530, 531089, 1062178, 2165209, 2655445, 4330418, 5310890, 10826045, 21652090, 28147717, 56295434, 140738585, 281477170]

約数ペア:

[(1, 281477170), (2, 140738585), (5, 56295434), (10, 28147717), (13, 21652090), (26, 10826045), (53, 5310890), (65, 4330418), (106, 2655445), (130, 2165209), (265, 1062178), (530, 531089), (689, 408530), (1378, 204265), (3445, 81706), (6890, 40853)]