12815803

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 18385920

約数和(自身を除く): 5570117

約数列:

[1, 7, 11, 13, 31, 49, 59, 77, 91, 143, 217, 341, 403, 413, 539, 637, 649, 767, 1001, 1519, 1829, 2387, 2821, 2891, 4433, 4543, 5369, 7007, 8437, 12803, 16709, 19747, 20119, 23777, 31031, 31801, 37583, 59059, 89621, 140833, 166439, 217217, 261547, 413413, 985831, 1165073, 1830829, 12815803]

約数ペア:

[(1, 12815803), (7, 1830829), (11, 1165073), (13, 985831), (31, 413413), (49, 261547), (59, 217217), (77, 166439), (91, 140833), (143, 89621), (217, 59059), (341, 37583), (403, 31801), (413, 31031), (539, 23777), (637, 20119), (649, 19747), (767, 16709), (1001, 12803), (1519, 8437), (1829, 7007), (2387, 5369), (2821, 4543), (2891, 4433)]