81306656

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1811}}^1$

素因数の和:1905

約数の個数: 48

約数和(自身を含む): 169864128

約数和(自身を除く): 88557472

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 61, 92, 122, 184, 244, 368, 488, 736, 976, 1403, 1811, 1952, 2806, 3622, 5612, 7244, 11224, 14488, 22448, 28976, 41653, 44896, 57952, 83306, 110471, 166612, 220942, 333224, 441884, 666448, 883768, 1332896, 1767536, 2540833, 3535072, 5081666, 10163332, 20326664, 40653328, 81306656]

約数ペア:

[(1, 81306656), (2, 40653328), (4, 20326664), (8, 10163332), (16, 5081666), (23, 3535072), (32, 2540833), (46, 1767536), (61, 1332896), (92, 883768), (122, 666448), (184, 441884), (244, 333224), (368, 220942), (488, 166612), (736, 110471), (976, 83306), (1403, 57952), (1811, 44896), (1952, 41653), (2806, 28976), (3622, 22448), (5612, 14488), (7244, 11224)]