51978402

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{691}}^1$

素因数の和:908

約数の個数: 64

約数和(自身を含む): 132864000

約数和(自身を除く): 80885598

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 199, 378, 398, 597, 691, 1194, 1382, 1393, 1791, 2073, 2786, 3582, 4146, 4179, 4837, 5373, 6219, 8358, 9674, 10746, 12438, 12537, 14511, 18657, 25074, 29022, 37314, 37611, 43533, 75222, 87066, 130599, 137509, 261198, 275018, 412527, 825054, 962563, 1237581, 1925126, 2475162, 2887689, 3712743, 5775378, 7425486, 8663067, 17326134, 25989201, 51978402]

約数ペア:

[(1, 51978402), (2, 25989201), (3, 17326134), (6, 8663067), (7, 7425486), (9, 5775378), (14, 3712743), (18, 2887689), (21, 2475162), (27, 1925126), (42, 1237581), (54, 962563), (63, 825054), (126, 412527), (189, 275018), (199, 261198), (378, 137509), (398, 130599), (597, 87066), (691, 75222), (1194, 43533), (1382, 37611), (1393, 37314), (1791, 29022), (2073, 25074), (2786, 18657), (3582, 14511), (4146, 12537), (4179, 12438), (4837, 10746), (5373, 9674), (6219, 8358)]