213022208

素因数分解:

$2^9\times 7^3\times {\mathrm{1213}}^1$

素因数の和:1252

約数の個数: 80

約数和(自身を含む): 496768800

約数和(自身を除く): 283746592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 512, 686, 784, 896, 1213, 1372, 1568, 1792, 2426, 2744, 3136, 3584, 4852, 5488, 6272, 8491, 9704, 10976, 12544, 16982, 19408, 21952, 25088, 33964, 38816, 43904, 59437, 67928, 77632, 87808, 118874, 135856, 155264, 175616, 237748, 271712, 310528, 416059, 475496, 543424, 621056, 832118, 950992, 1086848, 1664236, 1901984, 2173696, 3328472, 3803968, 4347392, 6656944, 7607936, 13313888, 15215872, 26627776, 30431744, 53255552, 106511104, 213022208]

約数ペア:

[(1, 213022208), (2, 106511104), (4, 53255552), (7, 30431744), (8, 26627776), (14, 15215872), (16, 13313888), (28, 7607936), (32, 6656944), (49, 4347392), (56, 3803968), (64, 3328472), (98, 2173696), (112, 1901984), (128, 1664236), (196, 1086848), (224, 950992), (256, 832118), (343, 621056), (392, 543424), (448, 475496), (512, 416059), (686, 310528), (784, 271712), (896, 237748), (1213, 175616), (1372, 155264), (1568, 135856), (1792, 118874), (2426, 87808), (2744, 77632), (3136, 67928), (3584, 59437), (4852, 43904), (5488, 38816), (6272, 33964), (8491, 25088), (9704, 21952), (10976, 19408), (12544, 16982)]