81485056

素因数分解:

$2^8\times {\mathrm{318301}}^1$

素因数の和:318317

約数の個数: 18

約数和(自身を含む): 162652322

約数和(自身を除く): 81167266

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 318301, 636602, 1273204, 2546408, 5092816, 10185632, 20371264, 40742528, 81485056]

約数ペア:

[(1, 81485056), (2, 40742528), (4, 20371264), (8, 10185632), (16, 5092816), (32, 2546408), (64, 1273204), (128, 636602), (256, 318301)]