211381352

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{290359}}^1$

素因数の和:290385

約数の個数: 32

約数和(自身を含む): 487804800

約数和(自身を除く): 276423448

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 290359, 580718, 1161436, 2032513, 2322872, 3774667, 4065026, 7549334, 8130052, 15098668, 16260104, 26422669, 30197336, 52845338, 105690676, 211381352]

約数ペア:

[(1, 211381352), (2, 105690676), (4, 52845338), (7, 30197336), (8, 26422669), (13, 16260104), (14, 15098668), (26, 8130052), (28, 7549334), (52, 4065026), (56, 3774667), (91, 2322872), (104, 2032513), (182, 1161436), (364, 580718), (728, 290359)]