389851

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:162

約数の個数: 16

約数和(自身を含む): 499968

約数和(自身を除く): 110117

約数列:

[1, 7, 11, 61, 77, 83, 427, 581, 671, 913, 4697, 5063, 6391, 35441, 55693, 389851]

約数ペア:

[(1, 389851), (7, 55693), (11, 35441), (61, 6391), (77, 5063), (83, 4697), (427, 913), (581, 671)]