647343670

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{15329}}^1$

素因数の和:15480

約数の個数: 32

約数和(自身を含む): 1205305920

約数和(自身を除く): 557962250

約数列:

[1, 2, 5, 10, 41, 82, 103, 205, 206, 410, 515, 1030, 4223, 8446, 15329, 21115, 30658, 42230, 76645, 153290, 628489, 1256978, 1578887, 3142445, 3157774, 6284890, 7894435, 15788870, 64734367, 129468734, 323671835, 647343670]

約数ペア:

[(1, 647343670), (2, 323671835), (5, 129468734), (10, 64734367), (41, 15788870), (82, 7894435), (103, 6284890), (205, 3157774), (206, 3142445), (410, 1578887), (515, 1256978), (1030, 628489), (4223, 153290), (8446, 76645), (15329, 42230), (21115, 30658)]