28209376

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:168

約数の個数: 96

約数和(自身を含む): 65197440

約数和(自身を除く): 36988064

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 43, 52, 76, 83, 86, 104, 152, 166, 172, 208, 247, 304, 332, 344, 416, 494, 559, 608, 664, 688, 817, 988, 1079, 1118, 1328, 1376, 1577, 1634, 1976, 2158, 2236, 2656, 3154, 3268, 3569, 3952, 4316, 4472, 6308, 6536, 7138, 7904, 8632, 8944, 10621, 12616, 13072, 14276, 17264, 17888, 20501, 21242, 25232, 26144, 28552, 34528, 41002, 42484, 46397, 50464, 57104, 67811, 82004, 84968, 92794, 114208, 135622, 164008, 169936, 185588, 271244, 328016, 339872, 371176, 542488, 656032, 742352, 881543, 1084976, 1484704, 1763086, 2169952, 3526172, 7052344, 14104688, 28209376]

約数ペア:

[(1, 28209376), (2, 14104688), (4, 7052344), (8, 3526172), (13, 2169952), (16, 1763086), (19, 1484704), (26, 1084976), (32, 881543), (38, 742352), (43, 656032), (52, 542488), (76, 371176), (83, 339872), (86, 328016), (104, 271244), (152, 185588), (166, 169936), (172, 164008), (208, 135622), (247, 114208), (304, 92794), (332, 84968), (344, 82004), (416, 67811), (494, 57104), (559, 50464), (608, 46397), (664, 42484), (688, 41002), (817, 34528), (988, 28552), (1079, 26144), (1118, 25232), (1328, 21242), (1376, 20501), (1577, 17888), (1634, 17264), (1976, 14276), (2158, 13072), (2236, 12616), (2656, 10621), (3154, 8944), (3268, 8632), (3569, 7904), (3952, 7138), (4316, 6536), (4472, 6308)]