1991016412418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{457}}^2\times {\mathrm{3163}}^1$

素因数の和:4227

約数の個数: 48

約数和(自身を含む): 3290044824864

約数和(自身を除く): 1299028412446

約数列:

[1, 2, 11, 22, 137, 274, 457, 914, 1507, 3014, 3163, 5027, 6326, 10054, 34793, 62609, 69586, 125218, 208849, 417698, 433331, 688699, 866662, 1377398, 1445491, 2297339, 2890982, 4594678, 4766641, 9533282, 15900401, 28612313, 31800802, 57224626, 198032267, 314735443, 396064534, 629470886, 660589387, 1321178774, 2178354937, 4356709874, 7266483257, 14532966514, 90500746019, 181001492038, 995508206209, 1991016412418]

約数ペア:

[(1, 1991016412418), (2, 995508206209), (11, 181001492038), (22, 90500746019), (137, 14532966514), (274, 7266483257), (457, 4356709874), (914, 2178354937), (1507, 1321178774), (3014, 660589387), (3163, 629470886), (5027, 396064534), (6326, 314735443), (10054, 198032267), (34793, 57224626), (62609, 31800802), (69586, 28612313), (125218, 15900401), (208849, 9533282), (417698, 4766641), (433331, 4594678), (688699, 2890982), (866662, 2297339), (1377398, 1445491)]