1996775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 2772144

約数和(自身を除く): 775369

約数列:

[1, 5, 11, 25, 53, 55, 137, 265, 275, 583, 685, 1325, 1507, 2915, 3425, 7261, 7535, 14575, 36305, 37675, 79871, 181525, 399355, 1996775]

約数ペア:

[(1, 1996775), (5, 399355), (11, 181525), (25, 79871), (53, 37675), (55, 36305), (137, 14575), (265, 7535), (275, 7261), (583, 3425), (685, 2915), (1325, 1507)]