31100272

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3911}}^1$

素因数の和:3997

約数の個数: 40

約数和(自身を含む): 69852672

約数和(自身を除く): 38752400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3911, 3976, 7822, 7952, 15644, 27377, 31288, 54754, 62576, 109508, 219016, 277681, 438032, 555362, 1110724, 1943767, 2221448, 3887534, 4442896, 7775068, 15550136, 31100272]

約数ペア:

[(1, 31100272), (2, 15550136), (4, 7775068), (7, 4442896), (8, 3887534), (14, 2221448), (16, 1943767), (28, 1110724), (56, 555362), (71, 438032), (112, 277681), (142, 219016), (284, 109508), (497, 62576), (568, 54754), (994, 31288), (1136, 27377), (1988, 15644), (3911, 7952), (3976, 7822)]