1289020019

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{17387}}^1$

素因数の和:17507

約数の個数: 24

約数和(自身を含む): 1605607920

約数和(自身を除く): 316587901

約数列:

[1, 7, 17, 49, 89, 119, 623, 833, 1513, 4361, 10591, 17387, 74137, 121709, 295579, 851963, 1547443, 2069053, 10832101, 14483371, 26306531, 75824707, 184145717, 1289020019]

約数ペア:

[(1, 1289020019), (7, 184145717), (17, 75824707), (49, 26306531), (89, 14483371), (119, 10832101), (623, 2069053), (833, 1547443), (1513, 851963), (4361, 295579), (10591, 121709), (17387, 74137)]