81471224

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{328513}}^1$

素因数の和:328550

約数の個数: 16

約数和(自身を含む): 157686720

約数和(自身を除く): 76215496

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 328513, 657026, 1314052, 2628104, 10183903, 20367806, 40735612, 81471224]

約数ペア:

[(1, 81471224), (2, 40735612), (4, 20367806), (8, 10183903), (31, 2628104), (62, 1314052), (124, 657026), (248, 328513)]