28755376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{138247}}^1$

素因数の和:138268

約数の個数: 20

約数和(自身を含む): 59999632

約数和(自身を除く): 31244256

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 138247, 276494, 552988, 1105976, 1797211, 2211952, 3594422, 7188844, 14377688, 28755376]

約数ペア:

[(1, 28755376), (2, 14377688), (4, 7188844), (8, 3594422), (13, 2211952), (16, 1797211), (26, 1105976), (52, 552988), (104, 276494), (208, 138247)]