81604906

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{18691}}^1$

素因数の和:18789

約数の個数: 16

約数和(自身を含む): 127853280

約数和(自身を除く): 46248374

約数列:

[1, 2, 37, 59, 74, 118, 2183, 4366, 18691, 37382, 691567, 1102769, 1383134, 2205538, 40802453, 81604906]

約数ペア:

[(1, 81604906), (2, 40802453), (37, 2205538), (59, 1383134), (74, 1102769), (118, 691567), (2183, 37382), (4366, 18691)]