87489506

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{21433}}^1$

素因数の和:21605

約数の個数: 16

約数和(自身を含む): 142236024

約数和(自身を除く): 54746518

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 21433, 42866, 278629, 557258, 3364981, 6729962, 43744753, 87489506]

約数ペア:

[(1, 87489506), (2, 43744753), (13, 6729962), (26, 3364981), (157, 557258), (314, 278629), (2041, 42866), (4082, 21433)]