28008204

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 84268800

約数和(自身を除く): 56260596

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 23, 28, 38, 42, 46, 49, 57, 69, 76, 84, 92, 98, 109, 114, 133, 138, 147, 161, 196, 218, 228, 266, 276, 294, 322, 327, 399, 436, 437, 483, 532, 588, 644, 654, 763, 798, 874, 931, 966, 1127, 1308, 1311, 1526, 1596, 1748, 1862, 1932, 2071, 2254, 2289, 2507, 2622, 2793, 3052, 3059, 3381, 3724, 4142, 4508, 4578, 5014, 5244, 5341, 5586, 6118, 6213, 6762, 7521, 8284, 9156, 9177, 10028, 10682, 11172, 12236, 12426, 13524, 14497, 15042, 16023, 17549, 18354, 21364, 21413, 24852, 28994, 30084, 32046, 35098, 36708, 42826, 43491, 47633, 52647, 57988, 64092, 64239, 70196, 85652, 86982, 95266, 101479, 105294, 122843, 128478, 142899, 173964, 190532, 202958, 210588, 245686, 256956, 285798, 304437, 333431, 368529, 405916, 491372, 571596, 608874, 666862, 737058, 1000293, 1217748, 1333724, 1474116, 2000586, 2334017, 4001172, 4668034, 7002051, 9336068, 14004102, 28008204]

約数ペア:

[(1, 28008204), (2, 14004102), (3, 9336068), (4, 7002051), (6, 4668034), (7, 4001172), (12, 2334017), (14, 2000586), (19, 1474116), (21, 1333724), (23, 1217748), (28, 1000293), (38, 737058), (42, 666862), (46, 608874), (49, 571596), (57, 491372), (69, 405916), (76, 368529), (84, 333431), (92, 304437), (98, 285798), (109, 256956), (114, 245686), (133, 210588), (138, 202958), (147, 190532), (161, 173964), (196, 142899), (218, 128478), (228, 122843), (266, 105294), (276, 101479), (294, 95266), (322, 86982), (327, 85652), (399, 70196), (436, 64239), (437, 64092), (483, 57988), (532, 52647), (588, 47633), (644, 43491), (654, 42826), (763, 36708), (798, 35098), (874, 32046), (931, 30084), (966, 28994), (1127, 24852), (1308, 21413), (1311, 21364), (1526, 18354), (1596, 17549), (1748, 16023), (1862, 15042), (1932, 14497), (2071, 13524), (2254, 12426), (2289, 12236), (2507, 11172), (2622, 10682), (2793, 10028), (3052, 9177), (3059, 9156), (3381, 8284), (3724, 7521), (4142, 6762), (4508, 6213), (4578, 6118), (5014, 5586), (5244, 5341)]