257981471

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{2711}}^1$

素因数の和:2974

約数の個数: 16

約数和(自身を含む): 289771776

約数和(自身を除く): 31790305

約数列:

[1, 11, 41, 211, 451, 2321, 2711, 8651, 29821, 95161, 111151, 572021, 1222661, 6292231, 23452861, 257981471]

約数ペア:

[(1, 257981471), (11, 23452861), (41, 6292231), (211, 1222661), (451, 572021), (2321, 111151), (2711, 95161), (8651, 29821)]