208937053

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{211}}^2$

素因数の和:473

約数の個数: 18

約数和(自身を含む): 238605822

約数和(自身を除く): 29668769

約数列:

[1, 13, 19, 211, 247, 361, 2743, 4009, 4693, 44521, 52117, 76171, 578773, 845899, 990223, 10996687, 16072081, 208937053]

約数ペア:

[(1, 208937053), (13, 16072081), (19, 10996687), (211, 990223), (247, 845899), (361, 578773), (2743, 76171), (4009, 52117), (4693, 44521)]