28447111

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{2909}}^1$

素因数の和:3054

約数の個数: 16

約数和(自身を含む): 35758080

約数和(自身を除く): 7310969

約数列:

[1, 7, 11, 77, 127, 889, 1397, 2909, 9779, 20363, 31999, 223993, 369443, 2586101, 4063873, 28447111]

約数ペア:

[(1, 28447111), (7, 4063873), (11, 2586101), (77, 369443), (127, 223993), (889, 31999), (1397, 20363), (2909, 9779)]