667968

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{71}}^1$

素因数の和:100

約数の個数: 84

約数和(自身を含む): 2084832

約数和(自身を除く): 1416864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 71, 84, 96, 98, 112, 142, 147, 168, 192, 196, 213, 224, 284, 294, 336, 392, 426, 448, 497, 568, 588, 672, 784, 852, 994, 1136, 1176, 1344, 1491, 1568, 1704, 1988, 2272, 2352, 2982, 3136, 3408, 3479, 3976, 4544, 4704, 5964, 6816, 6958, 7952, 9408, 10437, 11928, 13632, 13916, 15904, 20874, 23856, 27832, 31808, 41748, 47712, 55664, 83496, 95424, 111328, 166992, 222656, 333984, 667968]

約数ペア:

[(1, 667968), (2, 333984), (3, 222656), (4, 166992), (6, 111328), (7, 95424), (8, 83496), (12, 55664), (14, 47712), (16, 41748), (21, 31808), (24, 27832), (28, 23856), (32, 20874), (42, 15904), (48, 13916), (49, 13632), (56, 11928), (64, 10437), (71, 9408), (84, 7952), (96, 6958), (98, 6816), (112, 5964), (142, 4704), (147, 4544), (168, 3976), (192, 3479), (196, 3408), (213, 3136), (224, 2982), (284, 2352), (294, 2272), (336, 1988), (392, 1704), (426, 1568), (448, 1491), (497, 1344), (568, 1176), (588, 1136), (672, 994), (784, 852)]