256223492

素因数分解:

$2^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{28867}}^1$

素因数の和:29195

約数の個数: 24

約数和(自身を含む): 514081344

約数和(自身を除く): 257857852

約数列:

[1, 2, 4, 7, 14, 28, 317, 634, 1268, 2219, 4438, 8876, 28867, 57734, 115468, 202069, 404138, 808276, 9150839, 18301678, 36603356, 64055873, 128111746, 256223492]

約数ペア:

[(1, 256223492), (2, 128111746), (4, 64055873), (7, 36603356), (14, 18301678), (28, 9150839), (317, 808276), (634, 404138), (1268, 202069), (2219, 115468), (4438, 57734), (8876, 28867)]