77280866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2143}}^1$

素因数の和:2250

約数の個数: 32

約数和(自身を含む): 133271040

約数和(自身を除く): 55990174

約数列:

[1, 2, 13, 19, 26, 38, 73, 146, 247, 494, 949, 1387, 1898, 2143, 2774, 4286, 18031, 27859, 36062, 40717, 55718, 81434, 156439, 312878, 529321, 1058642, 2033707, 2972341, 4067414, 5944682, 38640433, 77280866]

約数ペア:

[(1, 77280866), (2, 38640433), (13, 5944682), (19, 4067414), (26, 2972341), (38, 2033707), (73, 1058642), (146, 529321), (247, 312878), (494, 156439), (949, 81434), (1387, 55718), (1898, 40717), (2143, 36062), (2774, 27859), (4286, 18031)]