209726231

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 257886720

約数和(自身を除く): 48160489

約数列:

[1, 11, 13, 29, 103, 143, 319, 377, 491, 1133, 1339, 2987, 4147, 5401, 6383, 14239, 14729, 32857, 38831, 50573, 70213, 156629, 185107, 427141, 556303, 657449, 1466617, 2036177, 7231939, 16132787, 19066021, 209726231]

約数ペア:

[(1, 209726231), (11, 19066021), (13, 16132787), (29, 7231939), (103, 2036177), (143, 1466617), (319, 657449), (377, 556303), (491, 427141), (1133, 185107), (1339, 156629), (2987, 70213), (4147, 50573), (5401, 38831), (6383, 32857), (14239, 14729)]