321404974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{1723}}^1$

素因数の和:1936

約数の個数: 32

約数和(自身を含む): 538715520

約数和(自身を除く): 217310546

約数列:

[1, 2, 11, 22, 61, 122, 139, 278, 671, 1342, 1529, 1723, 3058, 3446, 8479, 16958, 18953, 37906, 93269, 105103, 186538, 210206, 239497, 478994, 1156133, 2312266, 2634467, 5268934, 14609317, 29218634, 160702487, 321404974]

約数ペア:

[(1, 321404974), (2, 160702487), (11, 29218634), (22, 14609317), (61, 5268934), (122, 2634467), (139, 2312266), (278, 1156133), (671, 478994), (1342, 239497), (1529, 210206), (1723, 186538), (3058, 105103), (3446, 93269), (8479, 37906), (16958, 18953)]