1990307

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:226

約数の個数: 16

約数和(自身を含む): 2332800

約数和(自身を除く): 342493

約数列:

[1, 11, 19, 89, 107, 209, 979, 1177, 1691, 2033, 9523, 18601, 22363, 104753, 180937, 1990307]

約数ペア:

[(1, 1990307), (11, 180937), (19, 104753), (89, 22363), (107, 18601), (209, 9523), (979, 2033), (1177, 1691)]