77318816

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{677}}^1$

素因数の和:813

約数の個数: 48

約数和(自身を含む): 157870944

約数和(自身を除く): 80552128

約数列:

[1, 2, 4, 8, 16, 32, 43, 83, 86, 166, 172, 332, 344, 664, 677, 688, 1328, 1354, 1376, 2656, 2708, 3569, 5416, 7138, 10832, 14276, 21664, 28552, 29111, 56191, 57104, 58222, 112382, 114208, 116444, 224764, 232888, 449528, 465776, 899056, 931552, 1798112, 2416213, 4832426, 9664852, 19329704, 38659408, 77318816]

約数ペア:

[(1, 77318816), (2, 38659408), (4, 19329704), (8, 9664852), (16, 4832426), (32, 2416213), (43, 1798112), (83, 931552), (86, 899056), (166, 465776), (172, 449528), (332, 232888), (344, 224764), (664, 116444), (677, 114208), (688, 112382), (1328, 58222), (1354, 57104), (1376, 56191), (2656, 29111), (2708, 28552), (3569, 21664), (5416, 14276), (7138, 10832)]