12641456

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{4567}}^1$

素因数の和:4748

約数の個数: 20

約数和(自身を含む): 24639792

約数和(自身を除く): 11998336

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 4567, 9134, 18268, 36536, 73072, 790091, 1580182, 3160364, 6320728, 12641456]

約数ペア:

[(1, 12641456), (2, 6320728), (4, 3160364), (8, 1580182), (16, 790091), (173, 73072), (346, 36536), (692, 18268), (1384, 9134), (2768, 4567)]