51378298

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{1999}}^1$

素因数の和:2253

約数の個数: 16

約数和(自身を含む): 78624000

約数和(自身を除く): 27245702

約数列:

[1, 2, 71, 142, 181, 362, 1999, 3998, 12851, 25702, 141929, 283858, 361819, 723638, 25689149, 51378298]

約数ペア:

[(1, 51378298), (2, 25689149), (71, 723638), (142, 361819), (181, 283858), (362, 141929), (1999, 25702), (3998, 12851)]