638431310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{677}}^1\times {\mathrm{8573}}^1$

素因数の和:9268

約数の個数: 32

約数和(自身を含む): 1255645152

約数和(自身を除く): 617213842

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 677, 1354, 3385, 6770, 7447, 8573, 14894, 17146, 37235, 42865, 74470, 85730, 94303, 188606, 471515, 943030, 5803921, 11607842, 29019605, 58039210, 63843131, 127686262, 319215655, 638431310]

約数ペア:

[(1, 638431310), (2, 319215655), (5, 127686262), (10, 63843131), (11, 58039210), (22, 29019605), (55, 11607842), (110, 5803921), (677, 943030), (1354, 471515), (3385, 188606), (6770, 94303), (7447, 85730), (8573, 74470), (14894, 42865), (17146, 37235)]