17780343838

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1\times {\mathrm{431}}^1\times {\mathrm{823}}^1$

素因数の和:1680

約数の個数: 32

約数和(自身を含む): 27218737152

約数和(自身を除く): 9438393314

約数列:

[1, 2, 71, 142, 353, 431, 706, 823, 862, 1646, 25063, 30601, 50126, 58433, 61202, 116866, 152143, 290519, 304286, 354713, 581038, 709426, 10802153, 20626849, 21604306, 25184623, 41253698, 50369246, 125213689, 250427378, 8890171919, 17780343838]

約数ペア:

[(1, 17780343838), (2, 8890171919), (71, 250427378), (142, 125213689), (353, 50369246), (431, 41253698), (706, 25184623), (823, 21604306), (862, 20626849), (1646, 10802153), (25063, 709426), (30601, 581038), (50126, 354713), (58433, 304286), (61202, 290519), (116866, 152143)]