219961027

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 280949760

約数和(自身を除く): 60988733

約数列:

[1, 11, 13, 29, 31, 59, 143, 319, 341, 377, 403, 649, 767, 841, 899, 1711, 1829, 4147, 4433, 8437, 9251, 9889, 10933, 11687, 18821, 20119, 22243, 23777, 26071, 49619, 53041, 120263, 128557, 244673, 261547, 286781, 338923, 545809, 583451, 645047, 689533, 1538189, 3728153, 7095517, 7584863, 16920079, 19996457, 219961027]

約数ペア:

[(1, 219961027), (11, 19996457), (13, 16920079), (29, 7584863), (31, 7095517), (59, 3728153), (143, 1538189), (319, 689533), (341, 645047), (377, 583451), (403, 545809), (649, 338923), (767, 286781), (841, 261547), (899, 244673), (1711, 128557), (1829, 120263), (4147, 53041), (4433, 49619), (8437, 26071), (9251, 23777), (9889, 22243), (10933, 20119), (11687, 18821)]