205145044

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{303469}}^1$

素因数の和:303499

約数の個数: 18

約数和(自身を含む): 388745070

約数和(自身を除く): 183600026

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 303469, 606938, 1213876, 3945097, 7890194, 15780388, 51286261, 102572522, 205145044]

約数ペア:

[(1, 205145044), (2, 102572522), (4, 51286261), (13, 15780388), (26, 7890194), (52, 3945097), (169, 1213876), (338, 606938), (676, 303469)]