208678978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{19609}}^1$

素因数の和:19941

約数の個数: 16

約数和(自身を含む): 332507160

約数和(自身を除く): 123828182

約数列:

[1, 2, 17, 34, 313, 626, 5321, 10642, 19609, 39218, 333353, 666706, 6137617, 12275234, 104339489, 208678978]

約数ペア:

[(1, 208678978), (2, 104339489), (17, 12275234), (34, 6137617), (313, 666706), (626, 333353), (5321, 39218), (10642, 19609)]