257079559

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:847

約数の個数: 32

約数和(自身を含む): 311980032

約数和(自身を除く): 54900473

約数列:

[1, 11, 17, 31, 61, 187, 341, 527, 671, 727, 1037, 1891, 5797, 7997, 11407, 12359, 20801, 22537, 32147, 44347, 135949, 247907, 353617, 383129, 487817, 753899, 1374757, 4214419, 8292889, 15122327, 23370869, 257079559]

約数ペア:

[(1, 257079559), (11, 23370869), (17, 15122327), (31, 8292889), (61, 4214419), (187, 1374757), (341, 753899), (527, 487817), (671, 383129), (727, 353617), (1037, 247907), (1891, 135949), (5797, 44347), (7997, 32147), (11407, 22537), (12359, 20801)]