258750752

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{621997}}^1$

素因数の和:622020

約数の個数: 24

約数和(自身を含む): 548602236

約数和(自身を除く): 289851484

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 621997, 1243994, 2487988, 4975976, 8085961, 9951952, 16171922, 19903904, 32343844, 64687688, 129375376, 258750752]

約数ペア:

[(1, 258750752), (2, 129375376), (4, 64687688), (8, 32343844), (13, 19903904), (16, 16171922), (26, 9951952), (32, 8085961), (52, 4975976), (104, 2487988), (208, 1243994), (416, 621997)]