81869078

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{7907}}^1$

素因数の和:8107

約数の個数: 16

約数和(自身を含む): 127540224

約数和(自身を除く): 45671146

約数列:

[1, 2, 31, 62, 167, 334, 5177, 7907, 10354, 15814, 245117, 490234, 1320469, 2640938, 40934539, 81869078]

約数ペア:

[(1, 81869078), (2, 40934539), (31, 2640938), (62, 1320469), (167, 490234), (334, 245117), (5177, 15814), (7907, 10354)]