128253356

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{416407}}^1$

素因数の和:416429

約数の個数: 24

約数和(自身を含む): 279826176

約数和(自身を除く): 151572820

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 416407, 832814, 1665628, 2914849, 4580477, 5829698, 9160954, 11659396, 18321908, 32063339, 64126678, 128253356]

約数ペア:

[(1, 128253356), (2, 64126678), (4, 32063339), (7, 18321908), (11, 11659396), (14, 9160954), (22, 5829698), (28, 4580477), (44, 2914849), (77, 1665628), (154, 832814), (308, 416407)]