217706552

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{125407}}^1$

素因数の和:125451

約数の個数: 32

約数和(自身を含む): 481566720

約数和(自身を除く): 263860168

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 125407, 250814, 501628, 877849, 1003256, 1755698, 3511396, 3887617, 7022792, 7775234, 15550468, 27213319, 31100936, 54426638, 108853276, 217706552]

約数ペア:

[(1, 217706552), (2, 108853276), (4, 54426638), (7, 31100936), (8, 27213319), (14, 15550468), (28, 7775234), (31, 7022792), (56, 3887617), (62, 3511396), (124, 1755698), (217, 1003256), (248, 877849), (434, 501628), (868, 250814), (1736, 125407)]