388440052

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13859}}^1$

素因数の和:13901

約数の個数: 72

約数和(自身を含む): 929063520

約数和(自身を除く): 540623468

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 539, 572, 637, 1001, 1078, 1274, 2002, 2156, 2548, 4004, 7007, 13859, 14014, 27718, 28028, 55436, 97013, 152449, 180167, 194026, 304898, 360334, 388052, 609796, 679091, 720668, 1067143, 1261169, 1358182, 1981837, 2134286, 2522338, 2716364, 3963674, 4268572, 5044676, 7470001, 7927348, 8828183, 13872859, 14940002, 17656366, 27745718, 29880004, 35312732, 55491436, 97110013, 194220026, 388440052]

約数ペア:

[(1, 388440052), (2, 194220026), (4, 97110013), (7, 55491436), (11, 35312732), (13, 29880004), (14, 27745718), (22, 17656366), (26, 14940002), (28, 13872859), (44, 8828183), (49, 7927348), (52, 7470001), (77, 5044676), (91, 4268572), (98, 3963674), (143, 2716364), (154, 2522338), (182, 2134286), (196, 1981837), (286, 1358182), (308, 1261169), (364, 1067143), (539, 720668), (572, 679091), (637, 609796), (1001, 388052), (1078, 360334), (1274, 304898), (2002, 194026), (2156, 180167), (2548, 152449), (4004, 97013), (7007, 55436), (13859, 28028), (14014, 27718)]