81293732

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{2269}}^1$

素因数の和:2352

約数の個数: 36

約数和(自身を含む): 157024980

約数和(自身を除く): 75731248

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 169, 212, 338, 676, 689, 1378, 2269, 2756, 4538, 8957, 9076, 17914, 29497, 35828, 58994, 117988, 120257, 240514, 383461, 481028, 766922, 1533844, 1563341, 3126682, 6253364, 20323433, 40646866, 81293732]

約数ペア:

[(1, 81293732), (2, 40646866), (4, 20323433), (13, 6253364), (26, 3126682), (52, 1563341), (53, 1533844), (106, 766922), (169, 481028), (212, 383461), (338, 240514), (676, 120257), (689, 117988), (1378, 58994), (2269, 35828), (2756, 29497), (4538, 17914), (8957, 9076)]