1289778919

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{474707}}^1$

素因数の和:474750

約数の個数: 16

約数和(自身を含む): 1595018880

約数和(自身を除く): 305239961

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 474707, 5221777, 6171191, 9019433, 67883101, 99213763, 117252629, 1289778919]

約数ペア:

[(1, 1289778919), (11, 117252629), (13, 99213763), (19, 67883101), (143, 9019433), (209, 6171191), (247, 5221777), (2717, 474707)]