2177161

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:244

約数の個数: 16

約数和(自身を含む): 2621440

約数和(自身を除く): 444279

約数列:

[1, 7, 31, 79, 127, 217, 553, 889, 2449, 3937, 10033, 17143, 27559, 70231, 311023, 2177161]

約数ペア:

[(1, 2177161), (7, 311023), (31, 70231), (79, 27559), (127, 17143), (217, 10033), (553, 3937), (889, 2449)]