80864399

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1783}}^1$

素因数の和:1851

約数の個数: 32

約数和(自身を含む): 109608960

約数和(自身を除く): 28744561

約数列:

[1, 7, 11, 19, 31, 77, 133, 209, 217, 341, 589, 1463, 1783, 2387, 4123, 6479, 12481, 19613, 33877, 45353, 55273, 137291, 237139, 372647, 386911, 608003, 1050187, 2608529, 4256021, 7351309, 11552057, 80864399]

約数ペア:

[(1, 80864399), (7, 11552057), (11, 7351309), (19, 4256021), (31, 2608529), (77, 1050187), (133, 608003), (209, 386911), (217, 372647), (341, 237139), (589, 137291), (1463, 55273), (1783, 45353), (2387, 33877), (4123, 19613), (6479, 12481)]