199869904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{3469}}^1$

素因数の和:3767

約数の個数: 40

約数和(自身を含む): 418662440

約数和(自身を除く): 218792536

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 277, 554, 1108, 2216, 3469, 3601, 4432, 6938, 7202, 13876, 14404, 27752, 28808, 45097, 55504, 57616, 90194, 180388, 360776, 721552, 960913, 1921826, 3843652, 7687304, 12491869, 15374608, 24983738, 49967476, 99934952, 199869904]

約数ペア:

[(1, 199869904), (2, 99934952), (4, 49967476), (8, 24983738), (13, 15374608), (16, 12491869), (26, 7687304), (52, 3843652), (104, 1921826), (208, 960913), (277, 721552), (554, 360776), (1108, 180388), (2216, 90194), (3469, 57616), (3601, 55504), (4432, 45097), (6938, 28808), (7202, 27752), (13876, 14404)]