217421344

素因数分解:

$2^5\times 7^1\times {\mathrm{311}}^1\times {\mathrm{3121}}^1$

素因数の和:3449

約数の個数: 48

約数和(自身を含む): 490928256

約数和(自身を除く): 273506912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 311, 622, 1244, 2177, 2488, 3121, 4354, 4976, 6242, 8708, 9952, 12484, 17416, 21847, 24968, 34832, 43694, 49936, 69664, 87388, 99872, 174776, 349552, 699104, 970631, 1941262, 3882524, 6794417, 7765048, 13588834, 15530096, 27177668, 31060192, 54355336, 108710672, 217421344]

約数ペア:

[(1, 217421344), (2, 108710672), (4, 54355336), (7, 31060192), (8, 27177668), (14, 15530096), (16, 13588834), (28, 7765048), (32, 6794417), (56, 3882524), (112, 1941262), (224, 970631), (311, 699104), (622, 349552), (1244, 174776), (2177, 99872), (2488, 87388), (3121, 69664), (4354, 49936), (4976, 43694), (6242, 34832), (8708, 24968), (9952, 21847), (12484, 17416)]