208639918

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{563}}^1\times {\mathrm{1459}}^1$

素因数の和:2151

約数の個数: 16

約数和(自身を含む): 316200960

約数和(自身を除く): 107561042

約数列:

[1, 2, 127, 254, 563, 1126, 1459, 2918, 71501, 143002, 185293, 370586, 821417, 1642834, 104319959, 208639918]

約数ペア:

[(1, 208639918), (2, 104319959), (127, 1642834), (254, 821417), (563, 370586), (1126, 185293), (1459, 143002), (2918, 71501)]