256943947

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{10079}}^1$

素因数の和:10182

約数の個数: 16

約数和(自身を含む): 289578240

約数和(自身を除く): 32634293

約数列:

[1, 13, 37, 53, 481, 689, 1961, 10079, 25493, 131027, 372923, 534187, 4847999, 6944431, 19764919, 256943947]

約数ペア:

[(1, 256943947), (13, 19764919), (37, 6944431), (53, 4847999), (481, 534187), (689, 372923), (1961, 131027), (10079, 25493)]