81134185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 109486080

約数和(自身を除く): 28351895

約数列:

[1, 5, 11, 55, 71, 79, 263, 355, 395, 781, 869, 1315, 2893, 3905, 4345, 5609, 14465, 18673, 20777, 28045, 61699, 93365, 103885, 205403, 228547, 308495, 1027015, 1142735, 1475167, 7375835, 16226837, 81134185]

約数ペア:

[(1, 81134185), (5, 16226837), (11, 7375835), (55, 1475167), (71, 1142735), (79, 1027015), (263, 308495), (355, 228547), (395, 205403), (781, 103885), (869, 93365), (1315, 61699), (2893, 28045), (3905, 20777), (4345, 18673), (5609, 14465)]