40143257

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1193}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 55019520

約数和(自身を除く): 14876263

約数列:

[1, 7, 11, 19, 23, 77, 133, 161, 209, 253, 437, 1193, 1463, 1771, 3059, 4807, 8351, 13123, 22667, 27439, 33649, 91861, 158669, 192073, 249337, 301829, 521341, 1745359, 2112803, 3649387, 5734751, 40143257]

約数ペア:

[(1, 40143257), (7, 5734751), (11, 3649387), (19, 2112803), (23, 1745359), (77, 521341), (133, 301829), (161, 249337), (209, 192073), (253, 158669), (437, 91861), (1193, 33649), (1463, 27439), (1771, 22667), (3059, 13123), (4807, 8351)]