28615804

素因数分解:

$2^2\times 7^3\times {\mathrm{20857}}^1$

素因数の和:20882

約数の個数: 24

約数和(自身を含む): 58402400

約数和(自身を除く): 29786596

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 20857, 41714, 83428, 145999, 291998, 583996, 1021993, 2043986, 4087972, 7153951, 14307902, 28615804]

約数ペア:

[(1, 28615804), (2, 14307902), (4, 7153951), (7, 4087972), (14, 2043986), (28, 1021993), (49, 583996), (98, 291998), (196, 145999), (343, 83428), (686, 41714), (1372, 20857)]