31389208

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{521}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 62577360

約数和(自身を除く): 31188152

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 443, 521, 886, 1042, 1772, 2084, 3544, 4168, 7531, 8857, 15062, 17714, 30124, 35428, 60248, 70856, 230803, 461606, 923212, 1846424, 3923651, 7847302, 15694604, 31389208]

約数ペア:

[(1, 31389208), (2, 15694604), (4, 7847302), (8, 3923651), (17, 1846424), (34, 923212), (68, 461606), (136, 230803), (443, 70856), (521, 60248), (886, 35428), (1042, 30124), (1772, 17714), (2084, 15062), (3544, 8857), (4168, 7531)]