157212008

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{180289}}^1$

素因数の和:180404

約数の個数: 16

約数和(自身を含む): 297478500

約数和(自身を除く): 140266492

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 180289, 360578, 721156, 1442312, 19651501, 39303002, 78606004, 157212008]

約数ペア:

[(1, 157212008), (2, 78606004), (4, 39303002), (8, 19651501), (109, 1442312), (218, 721156), (436, 360578), (872, 180289)]