39728689

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 55655424

約数和(自身を除く): 15926735

約数列:

[1, 7, 11, 13, 43, 71, 77, 91, 143, 169, 301, 473, 497, 559, 781, 923, 1001, 1183, 1859, 3053, 3311, 3913, 5467, 6149, 6461, 7267, 10153, 11999, 13013, 21371, 33583, 39689, 43043, 50869, 71071, 79937, 83993, 131989, 235081, 277823, 436579, 515957, 559559, 923923, 3056053, 3611699, 5675527, 39728689]

約数ペア:

[(1, 39728689), (7, 5675527), (11, 3611699), (13, 3056053), (43, 923923), (71, 559559), (77, 515957), (91, 436579), (143, 277823), (169, 235081), (301, 131989), (473, 83993), (497, 79937), (559, 71071), (781, 50869), (923, 43043), (1001, 39689), (1183, 33583), (1859, 21371), (3053, 13013), (3311, 11999), (3913, 10153), (5467, 7267), (6149, 6461)]