28397752

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{208807}}^1$

素因数の和:208830

約数の個数: 16

約数和(自身を含む): 56378160

約数和(自身を除く): 27980408

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 208807, 417614, 835228, 1670456, 3549719, 7099438, 14198876, 28397752]

約数ペア:

[(1, 28397752), (2, 14198876), (4, 7099438), (8, 3549719), (17, 1670456), (34, 835228), (68, 417614), (136, 208807)]