640426849918

素因数分解:

$2^1\times {\mathrm{359}}^1\times {\mathrm{13729}}^1\times {\mathrm{64969}}^1$

素因数の和:79059

約数の個数: 16

約数和(自身を含む): 963401148000

約数和(自身を除く): 322974298082

約数列:

[1, 2, 359, 718, 13729, 27458, 64969, 129938, 4928711, 9857422, 23323871, 46647742, 891959401, 1783918802, 320213424959, 640426849918]

約数ペア:

[(1, 640426849918), (2, 320213424959), (359, 1783918802), (718, 891959401), (13729, 46647742), (27458, 23323871), (64969, 9857422), (129938, 4928711)]