28309808

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{22397}}^1$

素因数の和:22484

約数の個数: 20

約数和(自身を含む): 55547040

約数和(自身を除く): 27237232

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 22397, 44794, 89588, 179176, 358352, 1769363, 3538726, 7077452, 14154904, 28309808]

約数ペア:

[(1, 28309808), (2, 14154904), (4, 7077452), (8, 3538726), (16, 1769363), (79, 358352), (158, 179176), (316, 89588), (632, 44794), (1264, 22397)]