128580866

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{19559}}^1$

素因数の和:19753

約数の個数: 16

約数和(自身を含む): 204206400

約数和(自身を除く): 75625534

約数列:

[1, 2, 19, 38, 173, 346, 3287, 6574, 19559, 39118, 371621, 743242, 3383707, 6767414, 64290433, 128580866]

約数ペア:

[(1, 128580866), (2, 64290433), (19, 6767414), (38, 3383707), (173, 743242), (346, 371621), (3287, 39118), (6574, 19559)]