219956737

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31391}}^1$

素因数の和:31429

約数の個数: 24

約数和(自身を含む): 300609792

約数和(自身を除く): 80653055

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 7007, 31391, 219737, 345301, 408083, 1538159, 2417107, 2856581, 4488913, 16919749, 19996067, 31422391, 219956737]

約数ペア:

[(1, 219956737), (7, 31422391), (11, 19996067), (13, 16919749), (49, 4488913), (77, 2856581), (91, 2417107), (143, 1538159), (539, 408083), (637, 345301), (1001, 219737), (7007, 31391)]