1728518407

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 2372198400

約数和(自身を除く): 643679993

約数列:

[1, 7, 11, 19, 29, 77, 131, 133, 203, 209, 311, 319, 551, 917, 1441, 1463, 2177, 2233, 2489, 3421, 3799, 3857, 5909, 6061, 9019, 10087, 17423, 23947, 26593, 27379, 40741, 41363, 41789, 42427, 63133, 64999, 72181, 99209, 171361, 191653, 285187, 292523, 448151, 454993, 505267, 694463, 774079, 793991, 1181489, 1199527, 1884971, 3137057, 5418553, 5557937, 8270423, 8514869, 12996379, 13194797, 22448291, 59604083, 90974653, 157138037, 246931201, 1728518407]

約数ペア:

[(1, 1728518407), (7, 246931201), (11, 157138037), (19, 90974653), (29, 59604083), (77, 22448291), (131, 13194797), (133, 12996379), (203, 8514869), (209, 8270423), (311, 5557937), (319, 5418553), (551, 3137057), (917, 1884971), (1441, 1199527), (1463, 1181489), (2177, 793991), (2233, 774079), (2489, 694463), (3421, 505267), (3799, 454993), (3857, 448151), (5909, 292523), (6061, 285187), (9019, 191653), (10087, 171361), (17423, 99209), (23947, 72181), (26593, 64999), (27379, 63133), (40741, 42427), (41363, 41789)]