28760553213

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{26687}}^1$

素因数の和:26826

約数の個数: 64

約数和(自身を含む): 48029859840

約数和(自身を除く): 19269306627

約数列:

[1, 3, 7, 19, 21, 37, 57, 73, 111, 133, 219, 259, 399, 511, 703, 777, 1387, 1533, 2109, 2701, 4161, 4921, 8103, 9709, 14763, 18907, 26687, 29127, 51319, 56721, 80061, 153957, 186809, 359233, 507053, 560427, 987419, 1077699, 1521159, 1948151, 2962257, 3549371, 5844453, 6911933, 10648113, 13637057, 18760961, 20735799, 37014869, 40911171, 56282883, 72081587, 111044607, 131326727, 216244761, 259104083, 393980181, 504571109, 777312249, 1369550153, 1513713327, 4108650459, 9586851071, 28760553213]

約数ペア:

[(1, 28760553213), (3, 9586851071), (7, 4108650459), (19, 1513713327), (21, 1369550153), (37, 777312249), (57, 504571109), (73, 393980181), (111, 259104083), (133, 216244761), (219, 131326727), (259, 111044607), (399, 72081587), (511, 56282883), (703, 40911171), (777, 37014869), (1387, 20735799), (1533, 18760961), (2109, 13637057), (2701, 10648113), (4161, 6911933), (4921, 5844453), (8103, 3549371), (9709, 2962257), (14763, 1948151), (18907, 1521159), (26687, 1077699), (29127, 987419), (51319, 560427), (56721, 507053), (80061, 359233), (153957, 186809)]