13405895

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2711}}^1$

素因数の和:2782

約数の個数: 16

約数和(自身を含む): 17183232

約数和(自身を除く): 3777337

約数列:

[1, 5, 23, 43, 115, 215, 989, 2711, 4945, 13555, 62353, 116573, 311765, 582865, 2681179, 13405895]

約数ペア:

[(1, 13405895), (5, 2681179), (23, 582865), (43, 311765), (115, 116573), (215, 62353), (989, 13555), (2711, 4945)]