201291587

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 245059584

約数和(自身を除く): 43767997

約数列:

[1, 7, 31, 73, 97, 131, 217, 511, 679, 917, 2263, 3007, 4061, 7081, 9563, 12707, 15841, 21049, 28427, 49567, 66941, 88949, 219511, 296453, 393917, 927611, 1536577, 2075171, 2757419, 6493277, 28755941, 201291587]

約数ペア:

[(1, 201291587), (7, 28755941), (31, 6493277), (73, 2757419), (97, 2075171), (131, 1536577), (217, 927611), (511, 393917), (679, 296453), (917, 219511), (2263, 88949), (3007, 66941), (4061, 49567), (7081, 28427), (9563, 21049), (12707, 15841)]