639958279

素因数分解:

${\mathrm{23}}^2\times {\mathrm{607}}^1\times {\mathrm{1993}}^1$

素因数の和:2646

約数の個数: 12

約数和(自身を含む): 670430656

約数和(自身を除く): 30472377

約数列:

[1, 23, 529, 607, 1993, 13961, 45839, 321103, 1054297, 1209751, 27824273, 639958279]

約数ペア:

[(1, 639958279), (23, 27824273), (529, 1209751), (607, 1054297), (1993, 321103), (13961, 45839)]