127940108

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{78203}}^1$

素因数の和:78616

約数の個数: 12

約数和(自身を含む): 224445480

約数和(自身を除く): 96505372

約数列:

[1, 2, 4, 409, 818, 1636, 78203, 156406, 312812, 31985027, 63970054, 127940108]

約数ペア:

[(1, 127940108), (2, 63970054), (4, 31985027), (409, 312812), (818, 156406), (1636, 78203)]