261788346

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{1447}}^1$

素因数の和:1520

約数の個数: 72

約数和(自身を含む): 624580320

約数和(自身を除く): 362791974

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 38, 46, 57, 69, 114, 138, 171, 207, 342, 414, 437, 529, 874, 1058, 1311, 1447, 1587, 2622, 2894, 3174, 3933, 4341, 4761, 7866, 8682, 9522, 10051, 13023, 20102, 26046, 27493, 30153, 33281, 54986, 60306, 66562, 82479, 90459, 99843, 164958, 180918, 199686, 247437, 299529, 494874, 599058, 632339, 765463, 1264678, 1530926, 1897017, 2296389, 3794034, 4592778, 5691051, 6889167, 11382102, 13778334, 14543797, 29087594, 43631391, 87262782, 130894173, 261788346]

約数ペア:

[(1, 261788346), (2, 130894173), (3, 87262782), (6, 43631391), (9, 29087594), (18, 14543797), (19, 13778334), (23, 11382102), (38, 6889167), (46, 5691051), (57, 4592778), (69, 3794034), (114, 2296389), (138, 1897017), (171, 1530926), (207, 1264678), (342, 765463), (414, 632339), (437, 599058), (529, 494874), (874, 299529), (1058, 247437), (1311, 199686), (1447, 180918), (1587, 164958), (2622, 99843), (2894, 90459), (3174, 82479), (3933, 66562), (4341, 60306), (4761, 54986), (7866, 33281), (8682, 30153), (9522, 27493), (10051, 26046), (13023, 20102)]