780471242

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1\times {\mathrm{20959}}^1$

素因数の和:21437

約数の個数: 16

約数和(自身を含む): 1200756480

約数和(自身を除く): 420285238

約数列:

[1, 2, 43, 86, 433, 866, 18619, 20959, 37238, 41918, 901237, 1802474, 9075247, 18150494, 390235621, 780471242]

約数ペア:

[(1, 780471242), (2, 390235621), (43, 18150494), (86, 9075247), (433, 1802474), (866, 901237), (18619, 41918), (20959, 37238)]