27780508

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 59315200

約数和(自身を除く): 31534692

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 79, 133, 158, 266, 316, 532, 553, 661, 1106, 1322, 1501, 2212, 2644, 3002, 4627, 6004, 9254, 10507, 12559, 18508, 21014, 25118, 42028, 50236, 52219, 87913, 104438, 175826, 208876, 351652, 365533, 731066, 992161, 1462132, 1984322, 3968644, 6945127, 13890254, 27780508]

約数ペア:

[(1, 27780508), (2, 13890254), (4, 6945127), (7, 3968644), (14, 1984322), (19, 1462132), (28, 992161), (38, 731066), (76, 365533), (79, 351652), (133, 208876), (158, 175826), (266, 104438), (316, 87913), (532, 52219), (553, 50236), (661, 42028), (1106, 25118), (1322, 21014), (1501, 18508), (2212, 12559), (2644, 10507), (3002, 9254), (4627, 6004)]