81793232

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{32561}}^1$

素因数の和:32726

約数の個数: 20

約数和(自身を含む): 159488676

約数和(自身を除く): 77695444

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 32561, 65122, 130244, 260488, 520976, 5112077, 10224154, 20448308, 40896616, 81793232]

約数ペア:

[(1, 81793232), (2, 40896616), (4, 20448308), (8, 10224154), (16, 5112077), (157, 520976), (314, 260488), (628, 130244), (1256, 65122), (2512, 32561)]