77921798396

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{78868217}}^1$

素因数の和:78868253

約数の個数: 24

約数和(自身を含む): 154581707280

約数和(自身を除く): 76659908884

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 78868217, 157736434, 315472868, 1025286821, 1498496123, 2050573642, 2996992246, 4101147284, 5993984492, 19480449599, 38960899198, 77921798396]

約数ペア:

[(1, 77921798396), (2, 38960899198), (4, 19480449599), (13, 5993984492), (19, 4101147284), (26, 2996992246), (38, 2050573642), (52, 1498496123), (76, 1025286821), (247, 315472868), (494, 157736434), (988, 78868217)]