644999994

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{7829}}^1$

素因数の和:8059

約数の個数: 48

約数和(自身を含む): 1465776000

約数和(自身を除く): 820776006

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 199, 207, 398, 414, 597, 1194, 1791, 3582, 4577, 7829, 9154, 13731, 15658, 23487, 27462, 41193, 46974, 70461, 82386, 140922, 180067, 360134, 540201, 1080402, 1557971, 1620603, 3115942, 3241206, 4673913, 9347826, 14021739, 28043478, 35833333, 71666666, 107499999, 214999998, 322499997, 644999994]

約数ペア:

[(1, 644999994), (2, 322499997), (3, 214999998), (6, 107499999), (9, 71666666), (18, 35833333), (23, 28043478), (46, 14021739), (69, 9347826), (138, 4673913), (199, 3241206), (207, 3115942), (398, 1620603), (414, 1557971), (597, 1080402), (1194, 540201), (1791, 360134), (3582, 180067), (4577, 140922), (7829, 82386), (9154, 70461), (13731, 46974), (15658, 41193), (23487, 27462)]