687130596

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{1993}}^1$

素因数の和:2221

約数の個数: 72

約数和(自身を含む): 1777523384

約数和(自身を除く): 1090392788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 157, 183, 244, 314, 366, 471, 549, 628, 732, 942, 1098, 1413, 1884, 1993, 2196, 2826, 3986, 5652, 5979, 7972, 9577, 11958, 17937, 19154, 23916, 28731, 35874, 38308, 57462, 71748, 86193, 114924, 121573, 172386, 243146, 312901, 344772, 364719, 486292, 625802, 729438, 938703, 1094157, 1251604, 1458876, 1877406, 2188314, 2816109, 3754812, 4376628, 5632218, 11264436, 19086961, 38173922, 57260883, 76347844, 114521766, 171782649, 229043532, 343565298, 687130596]

約数ペア:

[(1, 687130596), (2, 343565298), (3, 229043532), (4, 171782649), (6, 114521766), (9, 76347844), (12, 57260883), (18, 38173922), (36, 19086961), (61, 11264436), (122, 5632218), (157, 4376628), (183, 3754812), (244, 2816109), (314, 2188314), (366, 1877406), (471, 1458876), (549, 1251604), (628, 1094157), (732, 938703), (942, 729438), (1098, 625802), (1413, 486292), (1884, 364719), (1993, 344772), (2196, 312901), (2826, 243146), (3986, 172386), (5652, 121573), (5979, 114924), (7972, 86193), (9577, 71748), (11958, 57462), (17937, 38308), (19154, 35874), (23916, 28731)]