16780105

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4591}}^1$

素因数の和:4656

約数の個数: 16

約数和(自身を含む): 21821184

約数和(自身を除く): 5041079

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 4591, 22955, 78047, 197413, 390235, 987065, 3356021, 16780105]

約数ペア:

[(1, 16780105), (5, 3356021), (17, 987065), (43, 390235), (85, 197413), (215, 78047), (731, 22955), (3655, 4591)]