12678256

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{25561}}^1$

素因数の和:25600

約数の個数: 20

約数和(自身を含む): 25357504

約数和(自身を除く): 12679248

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 25561, 51122, 102244, 204488, 408976, 792391, 1584782, 3169564, 6339128, 12678256]

約数ペア:

[(1, 12678256), (2, 6339128), (4, 3169564), (8, 1584782), (16, 792391), (31, 408976), (62, 204488), (124, 102244), (248, 51122), (496, 25561)]