57120217

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{12161}}^1$

素因数の和:12240

約数の個数: 16

約数和(自身を含む): 72388224

約数和(自身を除く): 15268007

約数列:

[1, 7, 11, 61, 77, 427, 671, 4697, 12161, 85127, 133771, 741821, 936397, 5192747, 8160031, 57120217]

約数ペア:

[(1, 57120217), (7, 8160031), (11, 5192747), (61, 936397), (77, 741821), (427, 133771), (671, 85127), (4697, 12161)]