12780656

素因数分解:

$2^4\times 7^1\times {\mathrm{114113}}^1$

素因数の和:114128

約数の個数: 20

約数和(自身を含む): 28300272

約数和(自身を除く): 15519616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 114113, 228226, 456452, 798791, 912904, 1597582, 1825808, 3195164, 6390328, 12780656]

約数ペア:

[(1, 12780656), (2, 6390328), (4, 3195164), (7, 1825808), (8, 1597582), (14, 912904), (16, 798791), (28, 456452), (56, 228226), (112, 114113)]