28641778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{68521}}^1$

素因数の和:68553

約数の個数: 16

約数和(自身を含む): 49335840

約数和(自身を除く): 20694062

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 68521, 137042, 753731, 1301899, 1507462, 2603798, 14320889, 28641778]

約数ペア:

[(1, 28641778), (2, 14320889), (11, 2603798), (19, 1507462), (22, 1301899), (38, 753731), (209, 137042), (418, 68521)]