256656192

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{107}}^1$

素因数の和:197

約数の個数: 168

約数和(自身を含む): 762719328

約数和(自身を除く): 506063136

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 107, 124, 156, 186, 192, 208, 214, 248, 312, 321, 372, 403, 416, 428, 496, 624, 642, 744, 806, 832, 856, 961, 992, 1209, 1248, 1284, 1391, 1488, 1612, 1712, 1922, 1984, 2418, 2496, 2568, 2782, 2883, 2976, 3224, 3317, 3424, 3844, 4173, 4836, 5136, 5564, 5766, 5952, 6448, 6634, 6848, 7688, 8346, 9672, 9951, 10272, 11128, 11532, 12493, 12896, 13268, 15376, 16692, 19344, 19902, 20544, 22256, 23064, 24986, 25792, 26536, 30752, 33384, 37479, 38688, 39804, 43121, 44512, 46128, 49972, 53072, 61504, 66768, 74958, 77376, 79608, 86242, 89024, 92256, 99944, 102827, 106144, 129363, 133536, 149916, 159216, 172484, 184512, 199888, 205654, 212288, 258726, 267072, 299832, 308481, 318432, 344968, 399776, 411308, 517452, 599664, 616962, 636864, 689936, 799552, 822616, 1034904, 1199328, 1233924, 1336751, 1379872, 1645232, 2069808, 2398656, 2467848, 2673502, 2759744, 3290464, 4010253, 4139616, 4935696, 5347004, 6580928, 8020506, 8279232, 9871392, 10694008, 16041012, 19742784, 21388016, 32082024, 42776032, 64164048, 85552064, 128328096, 256656192]

約数ペア:

[(1, 256656192), (2, 128328096), (3, 85552064), (4, 64164048), (6, 42776032), (8, 32082024), (12, 21388016), (13, 19742784), (16, 16041012), (24, 10694008), (26, 9871392), (31, 8279232), (32, 8020506), (39, 6580928), (48, 5347004), (52, 4935696), (62, 4139616), (64, 4010253), (78, 3290464), (93, 2759744), (96, 2673502), (104, 2467848), (107, 2398656), (124, 2069808), (156, 1645232), (186, 1379872), (192, 1336751), (208, 1233924), (214, 1199328), (248, 1034904), (312, 822616), (321, 799552), (372, 689936), (403, 636864), (416, 616962), (428, 599664), (496, 517452), (624, 411308), (642, 399776), (744, 344968), (806, 318432), (832, 308481), (856, 299832), (961, 267072), (992, 258726), (1209, 212288), (1248, 205654), (1284, 199888), (1391, 184512), (1488, 172484), (1612, 159216), (1712, 149916), (1922, 133536), (1984, 129363), (2418, 106144), (2496, 102827), (2568, 99944), (2782, 92256), (2883, 89024), (2976, 86242), (3224, 79608), (3317, 77376), (3424, 74958), (3844, 66768), (4173, 61504), (4836, 53072), (5136, 49972), (5564, 46128), (5766, 44512), (5952, 43121), (6448, 39804), (6634, 38688), (6848, 37479), (7688, 33384), (8346, 30752), (9672, 26536), (9951, 25792), (10272, 24986), (11128, 23064), (11532, 22256), (12493, 20544), (12896, 19902), (13268, 19344), (15376, 16692)]