687872636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{2393}}^1$

素因数の和:2594

約数の個数: 48

約数和(自身を含む): 1351365120

約数和(自身を除く): 663492484

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 139, 188, 278, 517, 556, 1034, 1529, 2068, 2393, 3058, 4786, 6116, 6533, 9572, 13066, 26132, 26323, 52646, 71863, 105292, 112471, 143726, 224942, 287452, 332627, 449884, 665254, 1237181, 1330508, 2474362, 3658897, 4948724, 7317794, 14635588, 15633469, 31266938, 62533876, 171968159, 343936318, 687872636]

約数ペア:

[(1, 687872636), (2, 343936318), (4, 171968159), (11, 62533876), (22, 31266938), (44, 15633469), (47, 14635588), (94, 7317794), (139, 4948724), (188, 3658897), (278, 2474362), (517, 1330508), (556, 1237181), (1034, 665254), (1529, 449884), (2068, 332627), (2393, 287452), (3058, 224942), (4786, 143726), (6116, 112471), (6533, 105292), (9572, 71863), (13066, 52646), (26132, 26323)]