338774018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1\times {\mathrm{347}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 561254400

約数和(自身を除く): 222480382

約数列:

[1, 2, 11, 22, 199, 223, 347, 398, 446, 694, 2189, 2453, 3817, 4378, 4906, 7634, 44377, 69053, 77381, 88754, 138106, 154762, 488147, 759583, 851191, 976294, 1519166, 1702382, 15398819, 30797638, 169387009, 338774018]

約数ペア:

[(1, 338774018), (2, 169387009), (11, 30797638), (22, 15398819), (199, 1702382), (223, 1519166), (347, 976294), (398, 851191), (446, 759583), (694, 488147), (2189, 154762), (2453, 138106), (3817, 88754), (4378, 77381), (4906, 69053), (7634, 44377)]