40889554

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1\times {\mathrm{653}}^1$

素因数の和:1025

約数の個数: 16

約数和(自身を含む): 62156160

約数和(自身を除く): 21266606

約数列:

[1, 2, 131, 239, 262, 478, 653, 1306, 31309, 62618, 85543, 156067, 171086, 312134, 20444777, 40889554]

約数ペア:

[(1, 40889554), (2, 20444777), (131, 312134), (239, 171086), (262, 156067), (478, 85543), (653, 62618), (1306, 31309)]