127680212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 249833472

約数和(自身を除く): 122153260

約数列:

[1, 2, 4, 11, 22, 44, 73, 127, 146, 254, 292, 313, 508, 626, 803, 1252, 1397, 1606, 2794, 3212, 3443, 5588, 6886, 9271, 13772, 18542, 22849, 37084, 39751, 45698, 79502, 91396, 101981, 159004, 203962, 251339, 407924, 437261, 502678, 874522, 1005356, 1749044, 2901823, 5803646, 11607292, 31920053, 63840106, 127680212]

約数ペア:

[(1, 127680212), (2, 63840106), (4, 31920053), (11, 11607292), (22, 5803646), (44, 2901823), (73, 1749044), (127, 1005356), (146, 874522), (254, 502678), (292, 437261), (313, 407924), (508, 251339), (626, 203962), (803, 159004), (1252, 101981), (1397, 91396), (1606, 79502), (2794, 45698), (3212, 39751), (3443, 37084), (5588, 22849), (6886, 18542), (9271, 13772)]