128439052

素因数分解:

$2^2\times 7^1\times {\mathrm{1997}}^1\times {\mathrm{2297}}^1$

素因数の和:4305

約数の個数: 24

約数和(自身を含む): 257118624

約数和(自身を除く): 128679572

約数列:

[1, 2, 4, 7, 14, 28, 1997, 2297, 3994, 4594, 7988, 9188, 13979, 16079, 27958, 32158, 55916, 64316, 4587109, 9174218, 18348436, 32109763, 64219526, 128439052]

約数ペア:

[(1, 128439052), (2, 64219526), (4, 32109763), (7, 18348436), (14, 9174218), (28, 4587109), (1997, 64316), (2297, 55916), (3994, 32158), (4594, 27958), (7988, 16079), (9188, 13979)]