289205818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{4363}}^1$

素因数の和:4530

約数の個数: 32

約数和(自身を含む): 497705472

約数和(自身を除く): 208499654

約数列:

[1, 2, 11, 22, 23, 46, 131, 253, 262, 506, 1441, 2882, 3013, 4363, 6026, 8726, 33143, 47993, 66286, 95986, 100349, 200698, 571553, 1103839, 1143106, 2207678, 6287083, 12574166, 13145719, 26291438, 144602909, 289205818]

約数ペア:

[(1, 289205818), (2, 144602909), (11, 26291438), (22, 13145719), (23, 12574166), (46, 6287083), (131, 2207678), (253, 1143106), (262, 1103839), (506, 571553), (1441, 200698), (2882, 100349), (3013, 95986), (4363, 66286), (6026, 47993), (8726, 33143)]