217170128

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{62549}}^1$

素因数の和:62595

約数の個数: 40

約数和(自身を含む): 496396800

約数和(自身を除く): 279226672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 62549, 125098, 250196, 437843, 500392, 875686, 1000784, 1751372, 1939019, 3502744, 3878038, 7005488, 7756076, 13573133, 15512152, 27146266, 31024304, 54292532, 108585064, 217170128]

約数ペア:

[(1, 217170128), (2, 108585064), (4, 54292532), (7, 31024304), (8, 27146266), (14, 15512152), (16, 13573133), (28, 7756076), (31, 7005488), (56, 3878038), (62, 3502744), (112, 1939019), (124, 1751372), (217, 1000784), (248, 875686), (434, 500392), (496, 437843), (868, 250196), (1736, 125098), (3472, 62549)]