2478331828

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2855221}}^1$

素因数の和:2855263

約数の個数: 24

約数和(自身を含む): 5116557824

約数和(自身を除く): 2638225996

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 2855221, 5710442, 11420884, 19986547, 39973094, 79946188, 88511851, 177023702, 354047404, 619582957, 1239165914, 2478331828]

約数ペア:

[(1, 2478331828), (2, 1239165914), (4, 619582957), (7, 354047404), (14, 177023702), (28, 88511851), (31, 79946188), (62, 39973094), (124, 19986547), (217, 11420884), (434, 5710442), (868, 2855221)]