2644411

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 3356928

約数和(自身を除く): 712517

約数列:

[1, 7, 11, 61, 77, 427, 563, 671, 3941, 4697, 6193, 34343, 43351, 240401, 377773, 2644411]

約数ペア:

[(1, 2644411), (7, 377773), (11, 240401), (61, 43351), (77, 34343), (427, 6193), (563, 4697), (671, 3941)]