81543836

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{331}}^1\times {\mathrm{509}}^1$

素因数の和:866

約数の個数: 36

約数和(自身を含む): 157636920

約数和(自身を除く): 76093084

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 331, 484, 509, 662, 1018, 1324, 2036, 3641, 5599, 7282, 11198, 14564, 22396, 40051, 61589, 80102, 123178, 160204, 168479, 246356, 336958, 673916, 1853269, 3706538, 7413076, 20385959, 40771918, 81543836]

約数ペア:

[(1, 81543836), (2, 40771918), (4, 20385959), (11, 7413076), (22, 3706538), (44, 1853269), (121, 673916), (242, 336958), (331, 246356), (484, 168479), (509, 160204), (662, 123178), (1018, 80102), (1324, 61589), (2036, 40051), (3641, 22396), (5599, 14564), (7282, 11198)]