12919264

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:323

約数の個数: 48

約数和(自身を含む): 26777520

約数和(自身を除く): 13858256

約数列:

[1, 2, 4, 8, 16, 32, 41, 43, 82, 86, 164, 172, 229, 328, 344, 458, 656, 688, 916, 1312, 1376, 1763, 1832, 3526, 3664, 7052, 7328, 9389, 9847, 14104, 18778, 19694, 28208, 37556, 39388, 56416, 75112, 78776, 150224, 157552, 300448, 315104, 403727, 807454, 1614908, 3229816, 6459632, 12919264]

約数ペア:

[(1, 12919264), (2, 6459632), (4, 3229816), (8, 1614908), (16, 807454), (32, 403727), (41, 315104), (43, 300448), (82, 157552), (86, 150224), (164, 78776), (172, 75112), (229, 56416), (328, 39388), (344, 37556), (458, 28208), (656, 19694), (688, 18778), (916, 14104), (1312, 9847), (1376, 9389), (1763, 7328), (1832, 7052), (3526, 3664)]