255791536

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15971}}^1$

素因数の和:16010

約数の個数: 80

約数和(自身を含む): 665457408

約数和(自身を除く): 409665872

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 1001, 1144, 1232, 1456, 2002, 2288, 4004, 8008, 15971, 16016, 31942, 63884, 111797, 127768, 175681, 207623, 223594, 255536, 351362, 415246, 447188, 702724, 830492, 894376, 1229767, 1405448, 1453361, 1660984, 1788752, 2283853, 2459534, 2810896, 2906722, 3321968, 4567706, 4919068, 5813444, 9135412, 9838136, 11626888, 15986971, 18270824, 19676272, 23253776, 31973942, 36541648, 63947884, 127895768, 255791536]

約数ペア:

[(1, 255791536), (2, 127895768), (4, 63947884), (7, 36541648), (8, 31973942), (11, 23253776), (13, 19676272), (14, 18270824), (16, 15986971), (22, 11626888), (26, 9838136), (28, 9135412), (44, 5813444), (52, 4919068), (56, 4567706), (77, 3321968), (88, 2906722), (91, 2810896), (104, 2459534), (112, 2283853), (143, 1788752), (154, 1660984), (176, 1453361), (182, 1405448), (208, 1229767), (286, 894376), (308, 830492), (364, 702724), (572, 447188), (616, 415246), (728, 351362), (1001, 255536), (1144, 223594), (1232, 207623), (1456, 175681), (2002, 127768), (2288, 111797), (4004, 63884), (8008, 31942), (15971, 16016)]