28629678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2053

約数の個数: 64

約数和(自身を含む): 73728000

約数和(自身を除く): 45098322

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 31, 33, 42, 62, 66, 77, 93, 154, 186, 217, 231, 341, 434, 462, 651, 682, 1023, 1302, 1999, 2046, 2387, 3998, 4774, 5997, 7161, 11994, 13993, 14322, 21989, 27986, 41979, 43978, 61969, 65967, 83958, 123938, 131934, 153923, 185907, 307846, 371814, 433783, 461769, 681659, 867566, 923538, 1301349, 1363318, 2044977, 2602698, 4089954, 4771613, 9543226, 14314839, 28629678]

約数ペア:

[(1, 28629678), (2, 14314839), (3, 9543226), (6, 4771613), (7, 4089954), (11, 2602698), (14, 2044977), (21, 1363318), (22, 1301349), (31, 923538), (33, 867566), (42, 681659), (62, 461769), (66, 433783), (77, 371814), (93, 307846), (154, 185907), (186, 153923), (217, 131934), (231, 123938), (341, 83958), (434, 65967), (462, 61969), (651, 43978), (682, 41979), (1023, 27986), (1302, 21989), (1999, 14322), (2046, 13993), (2387, 11994), (3998, 7161), (4774, 5997)]