289647947

素因数分解:

${\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1\times {\mathrm{479}}^1$

素因数の和:994

約数の個数: 16

約数和(自身を含む): 308551680

約数和(自身を除く): 18903733

約数列:

[1, 23, 61, 431, 479, 1403, 9913, 11017, 26291, 29219, 206449, 604693, 672037, 4748327, 12593389, 289647947]

約数ペア:

[(1, 289647947), (23, 12593389), (61, 4748327), (431, 672037), (479, 604693), (1403, 206449), (9913, 29219), (11017, 26291)]