890390718

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{21221}}^1$

素因数の和:21279

約数の個数: 80

約数和(自身を含む): 2341890144

約数和(自身を除く): 1451499426

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 81, 111, 126, 162, 189, 222, 259, 333, 378, 518, 567, 666, 777, 999, 1134, 1554, 1998, 2331, 2997, 4662, 5994, 6993, 13986, 20979, 21221, 41958, 42442, 63663, 127326, 148547, 190989, 297094, 381978, 445641, 572967, 785177, 891282, 1145934, 1336923, 1570354, 1718901, 2355531, 2673846, 3437802, 4010769, 4711062, 5496239, 7066593, 8021538, 10992478, 12032307, 14133186, 16488717, 21199779, 24064614, 32977434, 42399558, 49466151, 63599337, 98932302, 127198674, 148398453, 296796906, 445195359, 890390718]

約数ペア:

[(1, 890390718), (2, 445195359), (3, 296796906), (6, 148398453), (7, 127198674), (9, 98932302), (14, 63599337), (18, 49466151), (21, 42399558), (27, 32977434), (37, 24064614), (42, 21199779), (54, 16488717), (63, 14133186), (74, 12032307), (81, 10992478), (111, 8021538), (126, 7066593), (162, 5496239), (189, 4711062), (222, 4010769), (259, 3437802), (333, 2673846), (378, 2355531), (518, 1718901), (567, 1570354), (666, 1336923), (777, 1145934), (999, 891282), (1134, 785177), (1554, 572967), (1998, 445641), (2331, 381978), (2997, 297094), (4662, 190989), (5994, 148547), (6993, 127326), (13986, 63663), (20979, 42442), (21221, 41958)]