561611764

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{206779}}^1$

素因数の和:206887

約数の個数: 24

約数和(自身を含む): 1134808640

約数和(自身を除く): 573196876

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 206779, 413558, 827116, 1447453, 2894906, 5789812, 20057563, 40115126, 80230252, 140402941, 280805882, 561611764]

約数ペア:

[(1, 561611764), (2, 280805882), (4, 140402941), (7, 80230252), (14, 40115126), (28, 20057563), (97, 5789812), (194, 2894906), (388, 1447453), (679, 827116), (1358, 413558), (2716, 206779)]