128921438878

素因数分解:

$2^1\times {\mathrm{409}}^1\times {\mathrm{6761}}^1\times {\mathrm{23311}}^1$

素因数の和:30483

約数の個数: 16

約数和(自身を含む): 193891965120

約数和(自身を除く): 64970526242

約数列:

[1, 2, 409, 818, 6761, 13522, 23311, 46622, 2765249, 5530498, 9534199, 19068398, 157605671, 315211342, 64460719439, 128921438878]

約数ペア:

[(1, 128921438878), (2, 64460719439), (409, 315211342), (818, 157605671), (6761, 19068398), (13522, 9534199), (23311, 5530498), (46622, 2765249)]