28782128

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{26849}}^1$

素因数の和:26924

約数の個数: 20

約数和(自身を含む): 56599800

約数和(自身を除く): 27817672

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 26849, 53698, 107396, 214792, 429584, 1798883, 3597766, 7195532, 14391064, 28782128]

約数ペア:

[(1, 28782128), (2, 14391064), (4, 7195532), (8, 3597766), (16, 1798883), (67, 429584), (134, 214792), (268, 107396), (536, 53698), (1072, 26849)]