320848418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{439}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 532224000

約数和(自身を除く): 211375582

約数列:

[1, 2, 11, 22, 139, 239, 278, 439, 478, 878, 1529, 2629, 3058, 4829, 5258, 9658, 33221, 61021, 66442, 104921, 122042, 209842, 365431, 671231, 730862, 1154131, 1342462, 2308262, 14584019, 29168038, 160424209, 320848418]

約数ペア:

[(1, 320848418), (2, 160424209), (11, 29168038), (22, 14584019), (139, 2308262), (239, 1342462), (278, 1154131), (439, 730862), (478, 671231), (878, 365431), (1529, 209842), (2629, 122042), (3058, 104921), (4829, 66442), (5258, 61021), (9658, 33221)]