1388403731

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{3257}}^1$

素因数の和:3563

約数の個数: 24

約数和(自身を含む): 1650059712

約数和(自身を除く): 261655981

約数列:

[1, 11, 13, 121, 143, 271, 1573, 2981, 3257, 3523, 32791, 35827, 38753, 42341, 394097, 426283, 465751, 882647, 5123261, 9709117, 11474411, 106800287, 126218521, 1388403731]

約数ペア:

[(1, 1388403731), (11, 126218521), (13, 106800287), (121, 11474411), (143, 9709117), (271, 5123261), (1573, 882647), (2981, 465751), (3257, 426283), (3523, 394097), (32791, 42341), (35827, 38753)]