1279689856

素因数分解:

$2^7\times {\mathrm{9997577}}^1$

素因数の和:9997591

約数の個数: 16

約数和(自身を含む): 2549382390

約数和(自身を除く): 1269692534

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 9997577, 19995154, 39990308, 79980616, 159961232, 319922464, 639844928, 1279689856]

約数ペア:

[(1, 1279689856), (2, 639844928), (4, 319922464), (8, 159961232), (16, 79980616), (32, 39990308), (64, 19995154), (128, 9997577)]