55245008

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2044

約数の個数: 80

約数和(自身を含む): 138741120

約数和(自身を除く): 83496112

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 247, 266, 304, 364, 494, 532, 728, 988, 1064, 1456, 1729, 1976, 1997, 2128, 3458, 3952, 3994, 6916, 7988, 13832, 13979, 15976, 25961, 27664, 27958, 31952, 37943, 51922, 55916, 75886, 103844, 111832, 151772, 181727, 207688, 223664, 265601, 303544, 363454, 415376, 493259, 531202, 607088, 726908, 986518, 1062404, 1453816, 1973036, 2124808, 2907632, 3452813, 3946072, 4249616, 6905626, 7892144, 13811252, 27622504, 55245008]

約数ペア:

[(1, 55245008), (2, 27622504), (4, 13811252), (7, 7892144), (8, 6905626), (13, 4249616), (14, 3946072), (16, 3452813), (19, 2907632), (26, 2124808), (28, 1973036), (38, 1453816), (52, 1062404), (56, 986518), (76, 726908), (91, 607088), (104, 531202), (112, 493259), (133, 415376), (152, 363454), (182, 303544), (208, 265601), (247, 223664), (266, 207688), (304, 181727), (364, 151772), (494, 111832), (532, 103844), (728, 75886), (988, 55916), (1064, 51922), (1456, 37943), (1729, 31952), (1976, 27958), (1997, 27664), (2128, 25961), (3458, 15976), (3952, 13979), (3994, 13832), (6916, 7988)]