261435748

素因数分解:

$2^2\times 7^1\times {\mathrm{557}}^1\times {\mathrm{16763}}^1$

素因数の和:17331

約数の個数: 24

約数和(自身を含む): 523841472

約数和(自身を除く): 262405724

約数列:

[1, 2, 4, 7, 14, 28, 557, 1114, 2228, 3899, 7798, 15596, 16763, 33526, 67052, 117341, 234682, 469364, 9336991, 18673982, 37347964, 65358937, 130717874, 261435748]

約数ペア:

[(1, 261435748), (2, 130717874), (4, 65358937), (7, 37347964), (14, 18673982), (28, 9336991), (557, 469364), (1114, 234682), (2228, 117341), (3899, 67052), (7798, 33526), (15596, 16763)]