638545143

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{52387}}^1$

素因数の和:52646

約数の個数: 16

約数和(自身を含む): 905264640

約数和(自身を除く): 266719497

約数列:

[1, 3, 17, 51, 239, 717, 4063, 12189, 52387, 157161, 890579, 2671737, 12520493, 37561479, 212848381, 638545143]

約数ペア:

[(1, 638545143), (3, 212848381), (17, 37561479), (51, 12520493), (239, 2671737), (717, 890579), (4063, 157161), (12189, 52387)]