257003712

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{21247}}^1$

素因数の和:21275

約数の個数: 112

約数和(自身を含む): 863518720

約数和(自身を除く): 606515008

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 144, 168, 189, 192, 216, 224, 252, 288, 336, 378, 432, 448, 504, 576, 672, 756, 864, 1008, 1344, 1512, 1728, 2016, 3024, 4032, 6048, 12096, 21247, 42494, 63741, 84988, 127482, 148729, 169976, 191223, 254964, 297458, 339952, 382446, 446187, 509928, 573669, 594916, 679904, 764892, 892374, 1019856, 1147338, 1189832, 1338561, 1359808, 1529784, 1784748, 2039712, 2294676, 2379664, 2677122, 3059568, 3569496, 4015683, 4079424, 4589352, 4759328, 5354244, 6119136, 7138992, 8031366, 9178704, 9518656, 10708488, 12238272, 14277984, 16062732, 18357408, 21416976, 28555968, 32125464, 36714816, 42833952, 64250928, 85667904, 128501856, 257003712]

約数ペア:

[(1, 257003712), (2, 128501856), (3, 85667904), (4, 64250928), (6, 42833952), (7, 36714816), (8, 32125464), (9, 28555968), (12, 21416976), (14, 18357408), (16, 16062732), (18, 14277984), (21, 12238272), (24, 10708488), (27, 9518656), (28, 9178704), (32, 8031366), (36, 7138992), (42, 6119136), (48, 5354244), (54, 4759328), (56, 4589352), (63, 4079424), (64, 4015683), (72, 3569496), (84, 3059568), (96, 2677122), (108, 2379664), (112, 2294676), (126, 2039712), (144, 1784748), (168, 1529784), (189, 1359808), (192, 1338561), (216, 1189832), (224, 1147338), (252, 1019856), (288, 892374), (336, 764892), (378, 679904), (432, 594916), (448, 573669), (504, 509928), (576, 446187), (672, 382446), (756, 339952), (864, 297458), (1008, 254964), (1344, 191223), (1512, 169976), (1728, 148729), (2016, 127482), (3024, 84988), (4032, 63741), (6048, 42494), (12096, 21247)]