2840008787

素因数分解:

$7^3\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{1669}}^1$

素因数の和:1753

約数の個数: 48

約数和(自身を含む): 3731448000

約数和(自身を除く): 891439213

約数列:

[1, 7, 11, 41, 49, 77, 121, 287, 343, 451, 539, 847, 1669, 2009, 3157, 3773, 4961, 5929, 11683, 14063, 18359, 22099, 34727, 41503, 68429, 81781, 128513, 154693, 201949, 243089, 479003, 572467, 752719, 899591, 1413643, 1701623, 3353021, 5269033, 6297137, 8279909, 9895501, 23471147, 36883231, 57959363, 69268507, 258182617, 405715541, 2840008787]

約数ペア:

[(1, 2840008787), (7, 405715541), (11, 258182617), (41, 69268507), (49, 57959363), (77, 36883231), (121, 23471147), (287, 9895501), (343, 8279909), (451, 6297137), (539, 5269033), (847, 3353021), (1669, 1701623), (2009, 1413643), (3157, 899591), (3773, 752719), (4961, 572467), (5929, 479003), (11683, 243089), (14063, 201949), (18359, 154693), (22099, 128513), (34727, 81781), (41503, 68429)]