42667988

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{443}}^1$

素因数の和:668

約数の個数: 36

約数和(自身を含む): 82672800

約数和(自身を除く): 40004812

約数列:

[1, 2, 4, 11, 22, 44, 121, 199, 242, 398, 443, 484, 796, 886, 1772, 2189, 4378, 4873, 8756, 9746, 19492, 24079, 48158, 53603, 88157, 96316, 107206, 176314, 214412, 352628, 969727, 1939454, 3878908, 10666997, 21333994, 42667988]

約数ペア:

[(1, 42667988), (2, 21333994), (4, 10666997), (11, 3878908), (22, 1939454), (44, 969727), (121, 352628), (199, 214412), (242, 176314), (398, 107206), (443, 96316), (484, 88157), (796, 53603), (886, 48158), (1772, 24079), (2189, 19492), (4378, 9746), (4873, 8756)]