87580042

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{361901}}^1$

素因数の和:361925

約数の個数: 12

約数和(自身を含む): 144398898

約数和(自身を除く): 56818856

約数列:

[1, 2, 11, 22, 121, 242, 361901, 723802, 3980911, 7961822, 43790021, 87580042]

約数ペア:

[(1, 87580042), (2, 43790021), (11, 7961822), (22, 3980911), (121, 723802), (242, 361901)]