219471494

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 376502784

約数和(自身を除く): 157031290

約数列:

[1, 2, 11, 22, 37, 74, 121, 127, 193, 242, 254, 386, 407, 814, 1397, 2123, 2794, 4246, 4477, 4699, 7141, 8954, 9398, 14282, 15367, 23353, 24511, 30734, 46706, 49022, 51689, 78551, 103378, 157102, 269621, 539242, 568579, 864061, 906907, 1137158, 1728122, 1813814, 2965831, 5931662, 9975977, 19951954, 109735747, 219471494]

約数ペア:

[(1, 219471494), (2, 109735747), (11, 19951954), (22, 9975977), (37, 5931662), (74, 2965831), (121, 1813814), (127, 1728122), (193, 1137158), (242, 906907), (254, 864061), (386, 568579), (407, 539242), (814, 269621), (1397, 157102), (2123, 103378), (2794, 78551), (4246, 51689), (4477, 49022), (4699, 46706), (7141, 30734), (8954, 24511), (9398, 23353), (14282, 15367)]