290451469

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{538871}}^1$

素因数の和:538896

約数の個数: 12

約数和(自身を含む): 368588448

約数和(自身を除く): 78136979

約数列:

[1, 7, 11, 49, 77, 539, 538871, 3772097, 5927581, 26404679, 41493067, 290451469]

約数ペア:

[(1, 290451469), (7, 41493067), (11, 26404679), (49, 5927581), (77, 3772097), (539, 538871)]