407824

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:438

約数の個数: 20

約数和(自身を含む): 803520

約数和(自身を除く): 395696

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 359, 568, 718, 1136, 1436, 2872, 5744, 25489, 50978, 101956, 203912, 407824]

約数ペア:

[(1, 407824), (2, 203912), (4, 101956), (8, 50978), (16, 25489), (71, 5744), (142, 2872), (284, 1436), (359, 1136), (568, 718)]