289208678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{1231}}^1$

素因数の和:1484

約数の個数: 32

約数和(自身を含む): 484323840

約数和(自身を除く): 195115162

約数列:

[1, 2, 11, 22, 59, 118, 181, 362, 649, 1231, 1298, 1991, 2462, 3982, 10679, 13541, 21358, 27082, 72629, 117469, 145258, 222811, 234938, 445622, 798919, 1597838, 2450921, 4901842, 13145849, 26291698, 144604339, 289208678]

約数ペア:

[(1, 289208678), (2, 144604339), (11, 26291698), (22, 13145849), (59, 4901842), (118, 2450921), (181, 1597838), (362, 798919), (649, 445622), (1231, 234938), (1298, 222811), (1991, 145258), (2462, 117469), (3982, 72629), (10679, 27082), (13541, 21358)]