78873008

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{114641}}^1$

素因数の和:114692

約数の個数: 20

約数和(自身を含む): 156371688

約数和(自身を除く): 77498680

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 114641, 229282, 458564, 917128, 1834256, 4929563, 9859126, 19718252, 39436504, 78873008]

約数ペア:

[(1, 78873008), (2, 39436504), (4, 19718252), (8, 9859126), (16, 4929563), (43, 1834256), (86, 917128), (172, 458564), (344, 229282), (688, 114641)]