639125916

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{372451}}^1$

素因数の和:372482

約数の個数: 48

約数和(自身を含む): 1752014208

約数和(自身を除く): 1112888292

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 372451, 744902, 1117353, 1489804, 2234706, 4096961, 4469412, 4841863, 8193922, 9683726, 12290883, 14525589, 16387844, 19367452, 24581766, 29051178, 49163532, 53260493, 58102356, 106520986, 159781479, 213041972, 319562958, 639125916]

約数ペア:

[(1, 639125916), (2, 319562958), (3, 213041972), (4, 159781479), (6, 106520986), (11, 58102356), (12, 53260493), (13, 49163532), (22, 29051178), (26, 24581766), (33, 19367452), (39, 16387844), (44, 14525589), (52, 12290883), (66, 9683726), (78, 8193922), (132, 4841863), (143, 4469412), (156, 4096961), (286, 2234706), (429, 1489804), (572, 1117353), (858, 744902), (1716, 372451)]