218976476

素因数分解:

$2^2\times {\mathrm{401}}^1\times {\mathrm{136519}}^1$

素因数の和:136924

約数の個数: 12

約数和(自身を含む): 384167280

約数和(自身を除く): 165190804

約数列:

[1, 2, 4, 401, 802, 1604, 136519, 273038, 546076, 54744119, 109488238, 218976476]

約数ペア:

[(1, 218976476), (2, 109488238), (4, 54744119), (401, 546076), (802, 273038), (1604, 136519)]