289242569

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{277}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 368934912

約数和(自身を除く): 79692343

約数列:

[1, 7, 11, 71, 77, 191, 277, 497, 781, 1337, 1939, 2101, 3047, 5467, 13561, 14707, 19667, 21329, 52907, 94927, 137669, 149171, 216337, 370349, 581977, 1044197, 1514359, 3756397, 4073839, 26294779, 41320367, 289242569]

約数ペア:

[(1, 289242569), (7, 41320367), (11, 26294779), (71, 4073839), (77, 3756397), (191, 1514359), (277, 1044197), (497, 581977), (781, 370349), (1337, 216337), (1939, 149171), (2101, 137669), (3047, 94927), (5467, 52907), (13561, 21329), (14707, 19667)]