218696786

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1420109}}^1$

素因数の和:1420129

約数の個数: 16

約数和(自身を含む): 408991680

約数和(自身を除く): 190294894

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 1420109, 2840218, 9940763, 15621199, 19881526, 31242398, 109348393, 218696786]

約数ペア:

[(1, 218696786), (2, 109348393), (7, 31242398), (11, 19881526), (14, 15621199), (22, 9940763), (77, 2840218), (154, 1420109)]