12871216

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{5399}}^1$

素因数の和:5556

約数の個数: 20

約数和(自身を含む): 25110000

約数和(自身を除く): 12238784

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 5399, 10798, 21596, 43192, 86384, 804451, 1608902, 3217804, 6435608, 12871216]

約数ペア:

[(1, 12871216), (2, 6435608), (4, 3217804), (8, 1608902), (16, 804451), (149, 86384), (298, 43192), (596, 21596), (1192, 10798), (2384, 5399)]