81493535

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{541}}^1\times {\mathrm{641}}^1$

素因数の和:1234

約数の個数: 16

約数和(自身を含む): 100213632

約数和(自身を除く): 18720097

約数列:

[1, 5, 47, 235, 541, 641, 2705, 3205, 25427, 30127, 127135, 150635, 346781, 1733905, 16298707, 81493535]

約数ペア:

[(1, 81493535), (5, 16298707), (47, 1733905), (235, 346781), (541, 150635), (641, 127135), (2705, 30127), (3205, 25427)]