168837172

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 343302400

約数和(自身を除く): 174465228

約数列:

[1, 2, 4, 7, 14, 28, 157, 193, 199, 314, 386, 398, 628, 772, 796, 1099, 1351, 1393, 2198, 2702, 2786, 4396, 5404, 5572, 30301, 31243, 38407, 60602, 62486, 76814, 121204, 124972, 153628, 212107, 218701, 268849, 424214, 437402, 537698, 848428, 874804, 1075396, 6029899, 12059798, 24119596, 42209293, 84418586, 168837172]

約数ペア:

[(1, 168837172), (2, 84418586), (4, 42209293), (7, 24119596), (14, 12059798), (28, 6029899), (157, 1075396), (193, 874804), (199, 848428), (314, 537698), (386, 437402), (398, 424214), (628, 268849), (772, 218701), (796, 212107), (1099, 153628), (1351, 124972), (1393, 121204), (2198, 76814), (2702, 62486), (2786, 60602), (4396, 38407), (5404, 31243), (5572, 30301)]