149780816

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{128237}}^1$

素因数の和:128318

約数の個数: 20

約数和(自身を含む): 294177972

約数和(自身を除く): 144397156

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 128237, 256474, 512948, 1025896, 2051792, 9361301, 18722602, 37445204, 74890408, 149780816]

約数ペア:

[(1, 149780816), (2, 74890408), (4, 37445204), (8, 18722602), (16, 9361301), (73, 2051792), (146, 1025896), (292, 512948), (584, 256474), (1168, 128237)]