199069871

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2801}}^1$

素因数の和:2903

約数の個数: 32

約数和(自身を含む): 271143936

約数和(自身を除く): 72074065

約数列:

[1, 7, 11, 13, 71, 77, 91, 143, 497, 781, 923, 1001, 2801, 5467, 6461, 10153, 19607, 30811, 36413, 71071, 198871, 215677, 254891, 400543, 1392097, 2187581, 2585323, 2803801, 15313067, 18097261, 28438553, 199069871]

約数ペア:

[(1, 199069871), (7, 28438553), (11, 18097261), (13, 15313067), (71, 2803801), (77, 2585323), (91, 2187581), (143, 1392097), (497, 400543), (781, 254891), (923, 215677), (1001, 198871), (2801, 71071), (5467, 36413), (6461, 30811), (10153, 19607)]