258807745

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 397509120

約数和(自身を除く): 138701375

約数列:

[1, 5, 7, 17, 29, 35, 53, 85, 119, 145, 203, 265, 283, 371, 493, 595, 901, 1015, 1415, 1537, 1855, 1981, 2465, 3451, 4505, 4811, 6307, 7685, 8207, 9905, 10759, 14999, 17255, 24055, 26129, 31535, 33677, 41035, 53795, 57449, 74995, 104993, 130645, 139519, 168385, 182903, 254983, 287245, 434971, 524965, 697595, 914515, 976633, 1274915, 1784881, 2174855, 3044797, 4883165, 7394507, 8924405, 15223985, 36972535, 51761549, 258807745]

約数ペア:

[(1, 258807745), (5, 51761549), (7, 36972535), (17, 15223985), (29, 8924405), (35, 7394507), (53, 4883165), (85, 3044797), (119, 2174855), (145, 1784881), (203, 1274915), (265, 976633), (283, 914515), (371, 697595), (493, 524965), (595, 434971), (901, 287245), (1015, 254983), (1415, 182903), (1537, 168385), (1855, 139519), (1981, 130645), (2465, 104993), (3451, 74995), (4505, 57449), (4811, 53795), (6307, 41035), (7685, 33677), (8207, 31535), (9905, 26129), (10759, 24055), (14999, 17255)]