72407872

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:455

約数の個数: 56

約数和(自身を含む): 149266656

約数和(自身を除く): 76858784

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 83, 86, 166, 172, 317, 332, 344, 634, 664, 688, 1268, 1328, 1376, 2536, 2656, 2752, 3569, 5072, 5312, 7138, 10144, 13631, 14276, 20288, 26311, 27262, 28552, 52622, 54524, 57104, 105244, 109048, 114208, 210488, 218096, 228416, 420976, 436192, 841952, 872384, 1131373, 1683904, 2262746, 4525492, 9050984, 18101968, 36203936, 72407872]

約数ペア:

[(1, 72407872), (2, 36203936), (4, 18101968), (8, 9050984), (16, 4525492), (32, 2262746), (43, 1683904), (64, 1131373), (83, 872384), (86, 841952), (166, 436192), (172, 420976), (317, 228416), (332, 218096), (344, 210488), (634, 114208), (664, 109048), (688, 105244), (1268, 57104), (1328, 54524), (1376, 52622), (2536, 28552), (2656, 27262), (2752, 26311), (3569, 20288), (5072, 14276), (5312, 13631), (7138, 10144)]