71861815

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{4027}}^1$

素因数の和:4158

約数の個数: 16

約数和(自身を含む): 89324928

約数和(自身を除く): 17463113

約数列:

[1, 5, 43, 83, 215, 415, 3569, 4027, 17845, 20135, 173161, 334241, 865805, 1671205, 14372363, 71861815]

約数ペア:

[(1, 71861815), (5, 14372363), (43, 1671205), (83, 865805), (215, 334241), (415, 173161), (3569, 20135), (4027, 17845)]