2144170721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1549}}^1\times {\mathrm{17977}}^1$

素因数の和:19544

約数の個数: 16

約数和(自身を含む): 2675126400

約数和(自身を除く): 530955679

約数列:

[1, 7, 11, 77, 1549, 10843, 17039, 17977, 119273, 125839, 197747, 1384229, 27846373, 194924611, 306310103, 2144170721]

約数ペア:

[(1, 2144170721), (7, 306310103), (11, 194924611), (77, 27846373), (1549, 1384229), (10843, 197747), (17039, 125839), (17977, 119273)]