11520815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 15676416

約数和(自身を除く): 4155601

約数列:

[1, 5, 17, 23, 71, 83, 85, 115, 355, 391, 415, 1207, 1411, 1633, 1909, 1955, 5893, 6035, 7055, 8165, 9545, 27761, 29465, 32453, 100181, 135539, 138805, 162265, 500905, 677695, 2304163, 11520815]

約数ペア:

[(1, 11520815), (5, 2304163), (17, 677695), (23, 500905), (71, 162265), (83, 138805), (85, 135539), (115, 100181), (355, 32453), (391, 29465), (415, 27761), (1207, 9545), (1411, 8165), (1633, 7055), (1909, 6035), (1955, 5893)]