81851918

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1\times {\mathrm{2389}}^1$

素因数の和:2891

約数の個数: 16

約数和(自身を含む): 126421440

約数和(自身を除く): 44569522

約数列:

[1, 2, 37, 74, 463, 926, 2389, 4778, 17131, 34262, 88393, 176786, 1106107, 2212214, 40925959, 81851918]

約数ペア:

[(1, 81851918), (2, 40925959), (37, 2212214), (74, 1106107), (463, 176786), (926, 88393), (2389, 34262), (4778, 17131)]