208171504

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{128819}}^1$

素因数の和:128928

約数の個数: 20

約数和(自身を含む): 407328840

約数和(自身を除く): 199157336

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 128819, 257638, 515276, 1030552, 2061104, 13010719, 26021438, 52042876, 104085752, 208171504]

約数ペア:

[(1, 208171504), (2, 104085752), (4, 52042876), (8, 26021438), (16, 13010719), (101, 2061104), (202, 1030552), (404, 515276), (808, 257638), (1616, 128819)]