209081339

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 240622080

約数和(自身を除く): 31540741

約数列:

[1, 19, 23, 37, 67, 193, 437, 703, 851, 1273, 1541, 2479, 3667, 4439, 7141, 12931, 16169, 29279, 47101, 57017, 84341, 135679, 164243, 245689, 297413, 478447, 1083323, 3120617, 5650847, 9090493, 11004281, 209081339]

約数ペア:

[(1, 209081339), (19, 11004281), (23, 9090493), (37, 5650847), (67, 3120617), (193, 1083323), (437, 478447), (703, 297413), (851, 245689), (1273, 164243), (1541, 135679), (2479, 84341), (3667, 57017), (4439, 47101), (7141, 29279), (12931, 16169)]