28690038

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:288

約数の個数: 96

約数和(自身を含む): 73382400

約数和(自身を除く): 44692362

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 81, 114, 117, 162, 171, 234, 239, 243, 247, 342, 351, 478, 486, 494, 513, 702, 717, 741, 1026, 1053, 1434, 1482, 1539, 2106, 2151, 2223, 3078, 3107, 3159, 4302, 4446, 4541, 4617, 6214, 6318, 6453, 6669, 9082, 9234, 9321, 12906, 13338, 13623, 18642, 19359, 20007, 27246, 27963, 38718, 40014, 40869, 55926, 58077, 59033, 60021, 81738, 83889, 116154, 118066, 120042, 122607, 167778, 177099, 245214, 251667, 354198, 367821, 503334, 531297, 735642, 755001, 1062594, 1103463, 1510002, 1593891, 2206926, 3187782, 4781673, 9563346, 14345019, 28690038]

約数ペア:

[(1, 28690038), (2, 14345019), (3, 9563346), (6, 4781673), (9, 3187782), (13, 2206926), (18, 1593891), (19, 1510002), (26, 1103463), (27, 1062594), (38, 755001), (39, 735642), (54, 531297), (57, 503334), (78, 367821), (81, 354198), (114, 251667), (117, 245214), (162, 177099), (171, 167778), (234, 122607), (239, 120042), (243, 118066), (247, 116154), (342, 83889), (351, 81738), (478, 60021), (486, 59033), (494, 58077), (513, 55926), (702, 40869), (717, 40014), (741, 38718), (1026, 27963), (1053, 27246), (1434, 20007), (1482, 19359), (1539, 18642), (2106, 13623), (2151, 13338), (2223, 12906), (3078, 9321), (3107, 9234), (3159, 9082), (4302, 6669), (4446, 6453), (4541, 6318), (4617, 6214)]