81257444

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{2063}}^1$

素因数の和:2339

約数の個数: 24

約数和(自身を含む): 146213760

約数和(自身を除く): 64956316

約数列:

[1, 2, 4, 43, 86, 172, 229, 458, 916, 2063, 4126, 8252, 9847, 19694, 39388, 88709, 177418, 354836, 472427, 944854, 1889708, 20314361, 40628722, 81257444]

約数ペア:

[(1, 81257444), (2, 40628722), (4, 20314361), (43, 1889708), (86, 944854), (172, 472427), (229, 354836), (458, 177418), (916, 88709), (2063, 39388), (4126, 19694), (8252, 9847)]