28384948

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1123}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 50984640

約数和(自身を除く): 22599692

約数列:

[1, 2, 4, 71, 89, 142, 178, 284, 356, 1123, 2246, 4492, 6319, 12638, 25276, 79733, 99947, 159466, 199894, 318932, 399788, 7096237, 14192474, 28384948]

約数ペア:

[(1, 28384948), (2, 14192474), (4, 7096237), (71, 399788), (89, 318932), (142, 199894), (178, 159466), (284, 99947), (356, 79733), (1123, 25276), (2246, 12638), (4492, 6319)]