391010288

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{60943}}^1$

素因数の和:61352

約数の個数: 20

約数和(自身を含む): 759484128

約数和(自身を除く): 368473840

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3208, 6416, 60943, 121886, 243772, 487544, 975088, 24438143, 48876286, 97752572, 195505144, 391010288]

約数ペア:

[(1, 391010288), (2, 195505144), (4, 97752572), (8, 48876286), (16, 24438143), (401, 975088), (802, 487544), (1604, 243772), (3208, 121886), (6416, 60943)]