9780781636

素因数分解:

$2^2\times {\mathrm{457}}^1\times {\mathrm{5350537}}^1$

素因数の和:5350998

約数の個数: 12

約数和(自身を含む): 17153824828

約数和(自身を除く): 7373043192

約数列:

[1, 2, 4, 457, 914, 1828, 5350537, 10701074, 21402148, 2445195409, 4890390818, 9780781636]

約数ペア:

[(1, 9780781636), (2, 4890390818), (4, 2445195409), (457, 21402148), (914, 10701074), (1828, 5350537)]