87139208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{15809}}^1$

素因数の和:15881

約数の個数: 32

約数和(自身を含む): 179285400

約数和(自身を除く): 92146192

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 15809, 31618, 63236, 126472, 205517, 411034, 822068, 837877, 1644136, 1675754, 3351508, 6703016, 10892401, 21784802, 43569604, 87139208]

約数ペア:

[(1, 87139208), (2, 43569604), (4, 21784802), (8, 10892401), (13, 6703016), (26, 3351508), (52, 1675754), (53, 1644136), (104, 837877), (106, 822068), (212, 411034), (424, 205517), (689, 126472), (1378, 63236), (2756, 31618), (5512, 15809)]