389665718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{6211}}^1$

素因数の和:6372

約数の個数: 32

約数和(自身を含む): 667914240

約数和(自身を除く): 278248522

約数列:

[1, 2, 13, 19, 26, 38, 127, 247, 254, 494, 1651, 2413, 3302, 4826, 6211, 12422, 31369, 62738, 80743, 118009, 161486, 236018, 788797, 1534117, 1577594, 3068234, 10254361, 14987143, 20508722, 29974286, 194832859, 389665718]

約数ペア:

[(1, 389665718), (2, 194832859), (13, 29974286), (19, 20508722), (26, 14987143), (38, 10254361), (127, 3068234), (247, 1577594), (254, 1534117), (494, 788797), (1651, 236018), (2413, 161486), (3302, 118009), (4826, 80743), (6211, 62738), (12422, 31369)]