65689744

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{132439}}^1$

素因数の和:132478

約数の個数: 20

約数和(自身を含む): 131380480

約数和(自身を除く): 65690736

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 132439, 264878, 529756, 1059512, 2119024, 4105609, 8211218, 16422436, 32844872, 65689744]

約数ペア:

[(1, 65689744), (2, 32844872), (4, 16422436), (8, 8211218), (16, 4105609), (31, 2119024), (62, 1059512), (124, 529756), (248, 264878), (496, 132439)]