209465178

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{36787}}^1$

素因数の和:36878

約数の個数: 32

約数和(自身を含む): 457348416

約数和(自身を除く): 247883238

約数列:

[1, 2, 3, 6, 13, 26, 39, 73, 78, 146, 219, 438, 949, 1898, 2847, 5694, 36787, 73574, 110361, 220722, 478231, 956462, 1434693, 2685451, 2869386, 5370902, 8056353, 16112706, 34910863, 69821726, 104732589, 209465178]

約数ペア:

[(1, 209465178), (2, 104732589), (3, 69821726), (6, 34910863), (13, 16112706), (26, 8056353), (39, 5370902), (73, 2869386), (78, 2685451), (146, 1434693), (219, 956462), (438, 478231), (949, 220722), (1898, 110361), (2847, 73574), (5694, 36787)]