638562320642

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{7993}}^1\times {\mathrm{562607}}^1$

素因数の和:570673

約数の個数: 16

約数和(自身を含む): 971457484032

約数和(自身を除く): 332895163390

約数列:

[1, 2, 71, 142, 7993, 15986, 562607, 567503, 1125214, 1135006, 39945097, 79890194, 4496917751, 8993835502, 319281160321, 638562320642]

約数ペア:

[(1, 638562320642), (2, 319281160321), (71, 8993835502), (142, 4496917751), (7993, 79890194), (15986, 39945097), (562607, 1135006), (567503, 1125214)]