223998208

素因数分解:

$2^8\times 7^3\times {\mathrm{2551}}^1$

素因数の和:2588

約数の個数: 72

約数和(自身を含む): 521628800

約数和(自身を除く): 297630592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 686, 784, 896, 1372, 1568, 1792, 2551, 2744, 3136, 5102, 5488, 6272, 10204, 10976, 12544, 17857, 20408, 21952, 35714, 40816, 43904, 71428, 81632, 87808, 124999, 142856, 163264, 249998, 285712, 326528, 499996, 571424, 653056, 874993, 999992, 1142848, 1749986, 1999984, 2285696, 3499972, 3999968, 4571392, 6999944, 7999936, 13999888, 15999872, 27999776, 31999744, 55999552, 111999104, 223998208]

約数ペア:

[(1, 223998208), (2, 111999104), (4, 55999552), (7, 31999744), (8, 27999776), (14, 15999872), (16, 13999888), (28, 7999936), (32, 6999944), (49, 4571392), (56, 3999968), (64, 3499972), (98, 2285696), (112, 1999984), (128, 1749986), (196, 1142848), (224, 999992), (256, 874993), (343, 653056), (392, 571424), (448, 499996), (686, 326528), (784, 285712), (896, 249998), (1372, 163264), (1568, 142856), (1792, 124999), (2551, 87808), (2744, 81632), (3136, 71428), (5102, 43904), (5488, 40816), (6272, 35714), (10204, 21952), (10976, 20408), (12544, 17857)]