221787208

素因数分解:

$2^3\times {\mathrm{1091}}^1\times {\mathrm{25411}}^1$

素因数の和:26508

約数の個数: 16

約数和(自身を含む): 416248560

約数和(自身を除く): 194461352

約数列:

[1, 2, 4, 8, 1091, 2182, 4364, 8728, 25411, 50822, 101644, 203288, 27723401, 55446802, 110893604, 221787208]

約数ペア:

[(1, 221787208), (2, 110893604), (4, 55446802), (8, 27723401), (1091, 203288), (2182, 101644), (4364, 50822), (8728, 25411)]