81287344

素因数分解:

$2^4\times {\mathrm{941}}^1\times {\mathrm{5399}}^1$

素因数の和:6348

約数の個数: 20

約数和(自身を含む): 157690800

約数和(自身を除く): 76403456

約数列:

[1, 2, 4, 8, 16, 941, 1882, 3764, 5399, 7528, 10798, 15056, 21596, 43192, 86384, 5080459, 10160918, 20321836, 40643672, 81287344]

約数ペア:

[(1, 81287344), (2, 40643672), (4, 20321836), (8, 10160918), (16, 5080459), (941, 86384), (1882, 43192), (3764, 21596), (5399, 15056), (7528, 10798)]