256804522

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9137}}^1$

素因数の和:9222

約数の個数: 32

約数和(自身を含む): 442132992

約数和(自身を除く): 185328470

約数列:

[1, 2, 13, 23, 26, 46, 47, 94, 299, 598, 611, 1081, 1222, 2162, 9137, 14053, 18274, 28106, 118781, 210151, 237562, 420302, 429439, 858878, 2731963, 5463926, 5582707, 9877097, 11165414, 19754194, 128402261, 256804522]

約数ペア:

[(1, 256804522), (2, 128402261), (13, 19754194), (23, 11165414), (26, 9877097), (46, 5582707), (47, 5463926), (94, 2731963), (299, 858878), (598, 429439), (611, 420302), (1081, 237562), (1222, 210151), (2162, 118781), (9137, 28106), (14053, 18274)]