2019728879

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{61403}}^1$

素因数の和:61574

約数の個数: 16

約数和(自身を含む): 2389352448

約数和(自身を除く): 369623569

約数列:

[1, 7, 37, 127, 259, 889, 4699, 32893, 61403, 429821, 2271911, 7798181, 15903377, 54587267, 288532697, 2019728879]

約数ペア:

[(1, 2019728879), (7, 288532697), (37, 54587267), (127, 15903377), (259, 7798181), (889, 2271911), (4699, 429821), (32893, 61403)]