638963966

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1\times {\mathrm{617}}^1$

素因数の和:1168

約数の個数: 32

約数和(自身を含む): 1025187840

約数和(自身を除く): 386223874

約数列:

[1, 2, 23, 46, 47, 94, 479, 617, 958, 1081, 1234, 2162, 11017, 14191, 22034, 22513, 28382, 28999, 45026, 57998, 295543, 517799, 591086, 666977, 1035598, 1333954, 6797489, 13594978, 13890521, 27781042, 319481983, 638963966]

約数ペア:

[(1, 638963966), (2, 319481983), (23, 27781042), (46, 13890521), (47, 13594978), (94, 6797489), (479, 1333954), (617, 1035598), (958, 666977), (1081, 591086), (1234, 517799), (2162, 295543), (11017, 57998), (14191, 45026), (22034, 28999), (22513, 28382)]