128526431

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 154586880

約数和(自身を除く): 26060449

約数列:

[1, 11, 19, 41, 53, 209, 283, 451, 583, 779, 1007, 2173, 3113, 5377, 8569, 11077, 11603, 14999, 23903, 41287, 59147, 127633, 164989, 220457, 284981, 454157, 614959, 2425027, 3134791, 6764549, 11684221, 128526431]

約数ペア:

[(1, 128526431), (11, 11684221), (19, 6764549), (41, 3134791), (53, 2425027), (209, 614959), (283, 454157), (451, 284981), (583, 220457), (779, 164989), (1007, 127633), (2173, 59147), (3113, 41287), (5377, 23903), (8569, 14999), (11077, 11603)]