16293431

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 22872960

約数和(自身を除く): 6579529

約数列:

[1, 7, 11, 19, 37, 43, 49, 77, 133, 209, 259, 301, 407, 473, 539, 703, 817, 931, 1463, 1591, 1813, 2107, 2849, 3311, 4921, 5719, 7733, 8987, 10241, 11137, 17501, 19943, 23177, 30229, 34447, 40033, 54131, 62909, 77959, 122507, 211603, 332519, 378917, 440363, 857549, 1481221, 2327633, 16293431]

約数ペア:

[(1, 16293431), (7, 2327633), (11, 1481221), (19, 857549), (37, 440363), (43, 378917), (49, 332519), (77, 211603), (133, 122507), (209, 77959), (259, 62909), (301, 54131), (407, 40033), (473, 34447), (539, 30229), (703, 23177), (817, 19943), (931, 17501), (1463, 11137), (1591, 10241), (1813, 8987), (2107, 7733), (2849, 5719), (3311, 4921)]