398414885

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{131}}^1\times {\mathrm{457}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 531045504

約数和(自身を除く): 132630619

約数列:

[1, 5, 11, 55, 121, 131, 457, 605, 655, 1331, 1441, 2285, 5027, 6655, 7205, 15851, 25135, 55297, 59867, 79255, 174361, 276485, 299335, 608267, 658537, 871805, 3041335, 3292685, 7243907, 36219535, 79682977, 398414885]

約数ペア:

[(1, 398414885), (5, 79682977), (11, 36219535), (55, 7243907), (121, 3292685), (131, 3041335), (457, 871805), (605, 658537), (655, 608267), (1331, 299335), (1441, 276485), (2285, 174361), (5027, 79255), (6655, 59867), (7205, 55297), (15851, 25135)]