13778384

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{27779}}^1$

素因数の和:27818

約数の個数: 20

約数和(自身を含む): 27557760

約数和(自身を除く): 13779376

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 27779, 55558, 111116, 222232, 444464, 861149, 1722298, 3444596, 6889192, 13778384]

約数ペア:

[(1, 13778384), (2, 6889192), (4, 3444596), (8, 1722298), (16, 861149), (31, 444464), (62, 222232), (124, 111116), (248, 55558), (496, 27779)]