257474644

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{317087}}^1$

素因数の和:317127

約数の個数: 24

約数和(自身を含む): 532707840

約数和(自身を除く): 275233196

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 317087, 634174, 1268348, 2219609, 4439218, 8878436, 9195523, 18391046, 36782092, 64368661, 128737322, 257474644]

約数ペア:

[(1, 257474644), (2, 128737322), (4, 64368661), (7, 36782092), (14, 18391046), (28, 9195523), (29, 8878436), (58, 4439218), (116, 2219609), (203, 1268348), (406, 634174), (812, 317087)]