206815988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{20773}}^1$

素因数の和:20927

約数の個数: 24

約数和(自身を含む): 383903520

約数和(自身を除く): 177087532

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 2489, 4978, 9956, 20773, 41546, 83092, 394687, 789374, 1578748, 2721263, 5442526, 10885052, 51703997, 103407994, 206815988]

約数ペア:

[(1, 206815988), (2, 103407994), (4, 51703997), (19, 10885052), (38, 5442526), (76, 2721263), (131, 1578748), (262, 789374), (524, 394687), (2489, 83092), (4978, 41546), (9956, 20773)]