890807687

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{4157}}^1$

素因数の和:4220

約数の個数: 32

約数和(自身を含む): 1168763904

約数和(自身を除く): 277956217

約数列:

[1, 7, 11, 23, 77, 121, 161, 253, 847, 1331, 1771, 2783, 4157, 9317, 19481, 29099, 30613, 45727, 95611, 214291, 320089, 502997, 669277, 1051721, 3520979, 5532967, 7362047, 11568931, 38730769, 80982517, 127258241, 890807687]

約数ペア:

[(1, 890807687), (7, 127258241), (11, 80982517), (23, 38730769), (77, 11568931), (121, 7362047), (161, 5532967), (253, 3520979), (847, 1051721), (1331, 669277), (1771, 502997), (2783, 320089), (4157, 214291), (9317, 95611), (19481, 45727), (29099, 30613)]